Home / 3,810.64-5,257.23-2,317.99

Finding the Fourth Proportional to 3,810.64, 5,257.23 and 2,317.99

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Solution

The fourth proportional to 3,810.64, 5,257.23 and 2,317.99 is: 3,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.64 : 5,257.23 = 2,317.99 : x
  2. Step 2: Convert to fraction form
    3,810.64/5,257.23 = 2,317.99/x
  3. Step 3: Cross multiply
    3,810.64x = 5,257.23 × 2,317.99
  4. Step 4: Simplify right side
    3,810.64x = 12,186,206.57
  5. Step 5: Solve for x
    x = 12,186,206.57/3,810.64
  6. Step 6: Final answer
    x = 3,197.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.