Home / 3,127.02-4,690.53-935.16

Finding the Fourth Proportional to 3,127.02, 4,690.53 and 935.16

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Solution

The fourth proportional to 3,127.02, 4,690.53 and 935.16 is: 1,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.02 : 4,690.53 = 935.16 : x
  2. Step 2: Convert to fraction form
    3,127.02/4,690.53 = 935.16/x
  3. Step 3: Cross multiply
    3,127.02x = 4,690.53 × 935.16
  4. Step 4: Simplify right side
    3,127.02x = 4,386,396.03
  5. Step 5: Solve for x
    x = 4,386,396.03/3,127.02
  6. Step 6: Final answer
    x = 1,402.74

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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.