Home / 2,385.68-3,579.59-924.95

Finding the Fourth Proportional to 2,385.68, 3,579.59 and 924.95

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Solution

The fourth proportional to 2,385.68, 3,579.59 and 924.95 is: 1,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.68 : 3,579.59 = 924.95 : x
  2. Step 2: Convert to fraction form
    2,385.68/3,579.59 = 924.95/x
  3. Step 3: Cross multiply
    2,385.68x = 3,579.59 × 924.95
  4. Step 4: Simplify right side
    2,385.68x = 3,310,936.14
  5. Step 5: Solve for x
    x = 3,310,936.14/2,385.68
  6. Step 6: Final answer
    x = 1,387.84

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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.