Home / 2,925.38-4,380.58-1,935.16

Finding the Fourth Proportional to 2,925.38, 4,380.58 and 1,935.16

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Solution

The fourth proportional to 2,925.38, 4,380.58 and 1,935.16 is: 2,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.38 : 4,380.58 = 1,935.16 : x
  2. Step 2: Convert to fraction form
    2,925.38/4,380.58 = 1,935.16/x
  3. Step 3: Cross multiply
    2,925.38x = 4,380.58 × 1,935.16
  4. Step 4: Simplify right side
    2,925.38x = 8,477,123.19
  5. Step 5: Solve for x
    x = 8,477,123.19/2,925.38
  6. Step 6: Final answer
    x = 2,897.79

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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.