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Finding the Fourth Proportional to 2,681.52, 3,695.04 and 1,934.16

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Solution

The fourth proportional to 2,681.52, 3,695.04 and 1,934.16 is: 2,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.52 : 3,695.04 = 1,934.16 : x
  2. Step 2: Convert to fraction form
    2,681.52/3,695.04 = 1,934.16/x
  3. Step 3: Cross multiply
    2,681.52x = 3,695.04 × 1,934.16
  4. Step 4: Simplify right side
    2,681.52x = 7,146,798.57
  5. Step 5: Solve for x
    x = 7,146,798.57/2,681.52
  6. Step 6: Final answer
    x = 2,665.20

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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.