Home / 2,453.36-3,680.33-810.95

Finding the Fourth Proportional to 2,453.36, 3,680.33 and 810.95

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Solution

The fourth proportional to 2,453.36, 3,680.33 and 810.95 is: 1,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.36 : 3,680.33 = 810.95 : x
  2. Step 2: Convert to fraction form
    2,453.36/3,680.33 = 810.95/x
  3. Step 3: Cross multiply
    2,453.36x = 3,680.33 × 810.95
  4. Step 4: Simplify right side
    2,453.36x = 2,984,541.16
  5. Step 5: Solve for x
    x = 2,984,541.16/2,453.36
  6. Step 6: Final answer
    x = 1,216.51

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,454.36, 3,681.83 and 811.95
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.