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Finding the Fourth Proportional to 1,656.07, 2,482.39 and 560.07

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Solution

The fourth proportional to 1,656.07, 2,482.39 and 560.07 is: 839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.07 : 2,482.39 = 560.07 : x
  2. Step 2: Convert to fraction form
    1,656.07/2,482.39 = 560.07/x
  3. Step 3: Cross multiply
    1,656.07x = 2,482.39 × 560.07
  4. Step 4: Simplify right side
    1,656.07x = 1,390,312.17
  5. Step 5: Solve for x
    x = 1,390,312.17/1,656.07
  6. Step 6: Final answer
    x = 839.53

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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.