Home / 2,864.34-4,296.20-916.29

Finding the Fourth Proportional to 2,864.34, 4,296.20 and 916.29

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Solution

The fourth proportional to 2,864.34, 4,296.20 and 916.29 is: 1,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.34 : 4,296.20 = 916.29 : x
  2. Step 2: Convert to fraction form
    2,864.34/4,296.20 = 916.29/x
  3. Step 3: Cross multiply
    2,864.34x = 4,296.20 × 916.29
  4. Step 4: Simplify right side
    2,864.34x = 3,936,560.52
  5. Step 5: Solve for x
    x = 3,936,560.52/2,864.34
  6. Step 6: Final answer
    x = 1,374.33

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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.