Home / 1,437.18-2,155.73-397.25

Finding the Fourth Proportional to 1,437.18, 2,155.73 and 397.25

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Solution

The fourth proportional to 1,437.18, 2,155.73 and 397.25 is: 595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.18 : 2,155.73 = 397.25 : x
  2. Step 2: Convert to fraction form
    1,437.18/2,155.73 = 397.25/x
  3. Step 3: Cross multiply
    1,437.18x = 2,155.73 × 397.25
  4. Step 4: Simplify right side
    1,437.18x = 856,350.98
  5. Step 5: Solve for x
    x = 856,350.98/1,437.18
  6. Step 6: Final answer
    x = 595.86

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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.