Home / 2,901.87-4,353.11-1,258.58

Finding the Fourth Proportional to 2,901.87, 4,353.11 and 1,258.58

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Solution

The fourth proportional to 2,901.87, 4,353.11 and 1,258.58 is: 1,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.87 : 4,353.11 = 1,258.58 : x
  2. Step 2: Convert to fraction form
    2,901.87/4,353.11 = 1,258.58/x
  3. Step 3: Cross multiply
    2,901.87x = 4,353.11 × 1,258.58
  4. Step 4: Simplify right side
    2,901.87x = 5,478,709.13
  5. Step 5: Solve for x
    x = 5,478,709.13/2,901.87
  6. Step 6: Final answer
    x = 1,887.99

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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.