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Finding the Fourth Proportional to 1,602.40, 2,317 and 1,602.40

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Solution

The fourth proportional to 1,602.40, 2,317 and 1,602.40 is: 2,317

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.40 : 2,317 = 1,602.40 : x
  2. Step 2: Convert to fraction form
    1,602.40/2,317 = 1,602.40/x
  3. Step 3: Cross multiply
    1,602.40x = 2,317 × 1,602.40
  4. Step 4: Simplify right side
    1,602.40x = 3,712,760.80
  5. Step 5: Solve for x
    x = 3,712,760.80/1,602.40
  6. Step 6: Final answer
    x = 2,317

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.