Home / 4,154.29-6,228.60-1,555

Finding the Fourth Proportional to 4,154.29, 6,228.60 and 1,555

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Solution

The fourth proportional to 4,154.29, 6,228.60 and 1,555 is: 2,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.29 : 6,228.60 = 1,555 : x
  2. Step 2: Convert to fraction form
    4,154.29/6,228.60 = 1,555/x
  3. Step 3: Cross multiply
    4,154.29x = 6,228.60 × 1,555
  4. Step 4: Simplify right side
    4,154.29x = 9,685,473
  5. Step 5: Solve for x
    x = 9,685,473/4,154.29
  6. Step 6: Final answer
    x = 2,331.44

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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.