Home / 2,456.85-3,390.51-1,337.85

Finding the Fourth Proportional to 2,456.85, 3,390.51 and 1,337.85

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Solution

The fourth proportional to 2,456.85, 3,390.51 and 1,337.85 is: 1,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.85 : 3,390.51 = 1,337.85 : x
  2. Step 2: Convert to fraction form
    2,456.85/3,390.51 = 1,337.85/x
  3. Step 3: Cross multiply
    2,456.85x = 3,390.51 × 1,337.85
  4. Step 4: Simplify right side
    2,456.85x = 4,535,981.76
  5. Step 5: Solve for x
    x = 4,535,981.76/2,456.85
  6. Step 6: Final answer
    x = 1,846.26

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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.