Home / 2,901.30-4,351.77-926.88

Finding the Fourth Proportional to 2,901.30, 4,351.77 and 926.88

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Solution

The fourth proportional to 2,901.30, 4,351.77 and 926.88 is: 1,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.30 : 4,351.77 = 926.88 : x
  2. Step 2: Convert to fraction form
    2,901.30/4,351.77 = 926.88/x
  3. Step 3: Cross multiply
    2,901.30x = 4,351.77 × 926.88
  4. Step 4: Simplify right side
    2,901.30x = 4,033,568.58
  5. Step 5: Solve for x
    x = 4,033,568.58/2,901.30
  6. Step 6: Final answer
    x = 1,390.26

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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.