Home / 2,385.55-3,579.68-924.81

Finding the Fourth Proportional to 2,385.55, 3,579.68 and 924.81

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Solution

The fourth proportional to 2,385.55, 3,579.68 and 924.81 is: 1,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.55 : 3,579.68 = 924.81 : x
  2. Step 2: Convert to fraction form
    2,385.55/3,579.68 = 924.81/x
  3. Step 3: Cross multiply
    2,385.55x = 3,579.68 × 924.81
  4. Step 4: Simplify right side
    2,385.55x = 3,310,523.86
  5. Step 5: Solve for x
    x = 3,310,523.86/2,385.55
  6. Step 6: Final answer
    x = 1,387.74

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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.