Home / 2,385.55-3,579.63-924.76

Finding the Fourth Proportional to 2,385.55, 3,579.63 and 924.76

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Solution

The fourth proportional to 2,385.55, 3,579.63 and 924.76 is: 1,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.55 : 3,579.63 = 924.76 : x
  2. Step 2: Convert to fraction form
    2,385.55/3,579.63 = 924.76/x
  3. Step 3: Cross multiply
    2,385.55x = 3,579.63 × 924.76
  4. Step 4: Simplify right side
    2,385.55x = 3,310,298.64
  5. Step 5: Solve for x
    x = 3,310,298.64/2,385.55
  6. Step 6: Final answer
    x = 1,387.65

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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.