Home / 1,444.12-2,164.50-924.40

Finding the Fourth Proportional to 1,444.12, 2,164.50 and 924.40

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Solution

The fourth proportional to 1,444.12, 2,164.50 and 924.40 is: 1,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.12 : 2,164.50 = 924.40 : x
  2. Step 2: Convert to fraction form
    1,444.12/2,164.50 = 924.40/x
  3. Step 3: Cross multiply
    1,444.12x = 2,164.50 × 924.40
  4. Step 4: Simplify right side
    1,444.12x = 2,000,863.80
  5. Step 5: Solve for x
    x = 2,000,863.80/1,444.12
  6. Step 6: Final answer
    x = 1,385.52

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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.