Home / 2,864.04-4,296.26-916.39

Finding the Fourth Proportional to 2,864.04, 4,296.26 and 916.39

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Solution

The fourth proportional to 2,864.04, 4,296.26 and 916.39 is: 1,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.04 : 4,296.26 = 916.39 : x
  2. Step 2: Convert to fraction form
    2,864.04/4,296.26 = 916.39/x
  3. Step 3: Cross multiply
    2,864.04x = 4,296.26 × 916.39
  4. Step 4: Simplify right side
    2,864.04x = 3,937,049.70
  5. Step 5: Solve for x
    x = 3,937,049.70/2,864.04
  6. Step 6: Final answer
    x = 1,374.65

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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.