Home / 1,656.52-2,471.24-1,538.68

Finding the Fourth Proportional to 1,656.52, 2,471.24 and 1,538.68

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Solution

The fourth proportional to 1,656.52, 2,471.24 and 1,538.68 is: 2,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.52 : 2,471.24 = 1,538.68 : x
  2. Step 2: Convert to fraction form
    1,656.52/2,471.24 = 1,538.68/x
  3. Step 3: Cross multiply
    1,656.52x = 2,471.24 × 1,538.68
  4. Step 4: Simplify right side
    1,656.52x = 3,802,447.56
  5. Step 5: Solve for x
    x = 3,802,447.56/1,656.52
  6. Step 6: Final answer
    x = 2,295.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.