Home / 2,924.96-4,387.46-977.13

Finding the Fourth Proportional to 2,924.96, 4,387.46 and 977.13

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Solution

The fourth proportional to 2,924.96, 4,387.46 and 977.13 is: 1,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.96 : 4,387.46 = 977.13 : x
  2. Step 2: Convert to fraction form
    2,924.96/4,387.46 = 977.13/x
  3. Step 3: Cross multiply
    2,924.96x = 4,387.46 × 977.13
  4. Step 4: Simplify right side
    2,924.96x = 4,287,113.90
  5. Step 5: Solve for x
    x = 4,287,113.90/2,924.96
  6. Step 6: Final answer
    x = 1,465.70

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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.