Home / 2,901.60-4,354.29-1,258.92

Finding the Fourth Proportional to 2,901.60, 4,354.29 and 1,258.92

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Solution

The fourth proportional to 2,901.60, 4,354.29 and 1,258.92 is: 1,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.60 : 4,354.29 = 1,258.92 : x
  2. Step 2: Convert to fraction form
    2,901.60/4,354.29 = 1,258.92/x
  3. Step 3: Cross multiply
    2,901.60x = 4,354.29 × 1,258.92
  4. Step 4: Simplify right side
    2,901.60x = 5,481,702.77
  5. Step 5: Solve for x
    x = 5,481,702.77/2,901.60
  6. Step 6: Final answer
    x = 1,889.20

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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.