Home / 2,237.90-3,357.42-1,142.24

Finding the Fourth Proportional to 2,237.90, 3,357.42 and 1,142.24

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Solution

The fourth proportional to 2,237.90, 3,357.42 and 1,142.24 is: 1,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.90 : 3,357.42 = 1,142.24 : x
  2. Step 2: Convert to fraction form
    2,237.90/3,357.42 = 1,142.24/x
  3. Step 3: Cross multiply
    2,237.90x = 3,357.42 × 1,142.24
  4. Step 4: Simplify right side
    2,237.90x = 3,834,979.42
  5. Step 5: Solve for x
    x = 3,834,979.42/2,237.90
  6. Step 6: Final answer
    x = 1,713.65

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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.