Home / 3,515.47-5,264.93-2,785.52

Finding the Fourth Proportional to 3,515.47, 5,264.93 and 2,785.52

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Solution

The fourth proportional to 3,515.47, 5,264.93 and 2,785.52 is: 4,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.47 : 5,264.93 = 2,785.52 : x
  2. Step 2: Convert to fraction form
    3,515.47/5,264.93 = 2,785.52/x
  3. Step 3: Cross multiply
    3,515.47x = 5,264.93 × 2,785.52
  4. Step 4: Simplify right side
    3,515.47x = 14,665,587.94
  5. Step 5: Solve for x
    x = 14,665,587.94/3,515.47
  6. Step 6: Final answer
    x = 4,171.73

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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.