Home / 2,454.22-3,681.88-810.70

Finding the Fourth Proportional to 2,454.22, 3,681.88 and 810.70

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Solution

The fourth proportional to 2,454.22, 3,681.88 and 810.70 is: 1,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.22 : 3,681.88 = 810.70 : x
  2. Step 2: Convert to fraction form
    2,454.22/3,681.88 = 810.70/x
  3. Step 3: Cross multiply
    2,454.22x = 3,681.88 × 810.70
  4. Step 4: Simplify right side
    2,454.22x = 2,984,900.12
  5. Step 5: Solve for x
    x = 2,984,900.12/2,454.22
  6. Step 6: Final answer
    x = 1,216.23

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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.