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Finding the Fourth Proportional to 1,656.55, 2,484.67 and 560.93

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Solution

The fourth proportional to 1,656.55, 2,484.67 and 560.93 is: 841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.55 : 2,484.67 = 560.93 : x
  2. Step 2: Convert to fraction form
    1,656.55/2,484.67 = 560.93/x
  3. Step 3: Cross multiply
    1,656.55x = 2,484.67 × 560.93
  4. Step 4: Simplify right side
    1,656.55x = 1,393,712.12
  5. Step 5: Solve for x
    x = 1,393,712.12/1,656.55
  6. Step 6: Final answer
    x = 841.34

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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.