Home / 1,562.71-2,157.44-1,166.55

Finding the Fourth Proportional to 1,562.71, 2,157.44 and 1,166.55

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Solution

The fourth proportional to 1,562.71, 2,157.44 and 1,166.55 is: 1,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.71 : 2,157.44 = 1,166.55 : x
  2. Step 2: Convert to fraction form
    1,562.71/2,157.44 = 1,166.55/x
  3. Step 3: Cross multiply
    1,562.71x = 2,157.44 × 1,166.55
  4. Step 4: Simplify right side
    1,562.71x = 2,516,761.63
  5. Step 5: Solve for x
    x = 2,516,761.63/1,562.71
  6. Step 6: Final answer
    x = 1,610.51

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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.