Home / 1,437.48-2,152.98-1,149.12

Finding the Fourth Proportional to 1,437.48, 2,152.98 and 1,149.12

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Solution

The fourth proportional to 1,437.48, 2,152.98 and 1,149.12 is: 1,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.48 : 2,152.98 = 1,149.12 : x
  2. Step 2: Convert to fraction form
    1,437.48/2,152.98 = 1,149.12/x
  3. Step 3: Cross multiply
    1,437.48x = 2,152.98 × 1,149.12
  4. Step 4: Simplify right side
    1,437.48x = 2,474,032.38
  5. Step 5: Solve for x
    x = 2,474,032.38/1,437.48
  6. Step 6: Final answer
    x = 1,721.09

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1.5x scale

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.