Home / 2,237.38-3,086.95-1,398.93

Finding the Fourth Proportional to 2,237.38, 3,086.95 and 1,398.93

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Solution

The fourth proportional to 2,237.38, 3,086.95 and 1,398.93 is: 1,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.38 : 3,086.95 = 1,398.93 : x
  2. Step 2: Convert to fraction form
    2,237.38/3,086.95 = 1,398.93/x
  3. Step 3: Cross multiply
    2,237.38x = 3,086.95 × 1,398.93
  4. Step 4: Simplify right side
    2,237.38x = 4,318,426.96
  5. Step 5: Solve for x
    x = 4,318,426.96/2,237.38
  6. Step 6: Final answer
    x = 1,930.13

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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.