Home / 1,631.72-2,444.33-1,242.38

Finding the Fourth Proportional to 1,631.72, 2,444.33 and 1,242.38

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Solution

The fourth proportional to 1,631.72, 2,444.33 and 1,242.38 is: 1,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.72 : 2,444.33 = 1,242.38 : x
  2. Step 2: Convert to fraction form
    1,631.72/2,444.33 = 1,242.38/x
  3. Step 3: Cross multiply
    1,631.72x = 2,444.33 × 1,242.38
  4. Step 4: Simplify right side
    1,631.72x = 3,036,795.92
  5. Step 5: Solve for x
    x = 3,036,795.92/1,631.72
  6. Step 6: Final answer
    x = 1,861.10

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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.