Home / 2,443.85-3,646.37-2,387.85

Finding the Fourth Proportional to 2,443.85, 3,646.37 and 2,387.85

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Solution

The fourth proportional to 2,443.85, 3,646.37 and 2,387.85 is: 3,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.85 : 3,646.37 = 2,387.85 : x
  2. Step 2: Convert to fraction form
    2,443.85/3,646.37 = 2,387.85/x
  3. Step 3: Cross multiply
    2,443.85x = 3,646.37 × 2,387.85
  4. Step 4: Simplify right side
    2,443.85x = 8,706,972.67
  5. Step 5: Solve for x
    x = 8,706,972.67/2,443.85
  6. Step 6: Final answer
    x = 3,562.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.