Home / 2,651.18-3,658.40-1,456.13

Finding the Fourth Proportional to 2,651.18, 3,658.40 and 1,456.13

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Solution

The fourth proportional to 2,651.18, 3,658.40 and 1,456.13 is: 2,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.18 : 3,658.40 = 1,456.13 : x
  2. Step 2: Convert to fraction form
    2,651.18/3,658.40 = 1,456.13/x
  3. Step 3: Cross multiply
    2,651.18x = 3,658.40 × 1,456.13
  4. Step 4: Simplify right side
    2,651.18x = 5,327,087.70
  5. Step 5: Solve for x
    x = 5,327,087.70/2,651.18
  6. Step 6: Final answer
    x = 2,009.33

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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.