Home / 1,562.23-2,155.44-932.77

Finding the Fourth Proportional to 1,562.23, 2,155.44 and 932.77

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Solution

The fourth proportional to 1,562.23, 2,155.44 and 932.77 is: 1,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.23 : 2,155.44 = 932.77 : x
  2. Step 2: Convert to fraction form
    1,562.23/2,155.44 = 932.77/x
  3. Step 3: Cross multiply
    1,562.23x = 2,155.44 × 932.77
  4. Step 4: Simplify right side
    1,562.23x = 2,010,529.77
  5. Step 5: Solve for x
    x = 2,010,529.77/1,562.23
  6. Step 6: Final answer
    x = 1,286.96

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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.