Home / 2,385.70-3,292.41-1,337.92

Finding the Fourth Proportional to 2,385.70, 3,292.41 and 1,337.92

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Solution

The fourth proportional to 2,385.70, 3,292.41 and 1,337.92 is: 1,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.70 : 3,292.41 = 1,337.92 : x
  2. Step 2: Convert to fraction form
    2,385.70/3,292.41 = 1,337.92/x
  3. Step 3: Cross multiply
    2,385.70x = 3,292.41 × 1,337.92
  4. Step 4: Simplify right side
    2,385.70x = 4,404,981.19
  5. Step 5: Solve for x
    x = 4,404,981.19/2,385.70
  6. Step 6: Final answer
    x = 1,846.41

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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.