Home / 2,901.01-4,353.19-1,257.72

Finding the Fourth Proportional to 2,901.01, 4,353.19 and 1,257.72

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Solution

The fourth proportional to 2,901.01, 4,353.19 and 1,257.72 is: 1,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.01 : 4,353.19 = 1,257.72 : x
  2. Step 2: Convert to fraction form
    2,901.01/4,353.19 = 1,257.72/x
  3. Step 3: Cross multiply
    2,901.01x = 4,353.19 × 1,257.72
  4. Step 4: Simplify right side
    2,901.01x = 5,475,098.72
  5. Step 5: Solve for x
    x = 5,475,098.72/2,901.01
  6. Step 6: Final answer
    x = 1,887.31

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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.