Home / 2,272.29-3,406.93-885.76

Finding the Fourth Proportional to 2,272.29, 3,406.93 and 885.76

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Solution

The fourth proportional to 2,272.29, 3,406.93 and 885.76 is: 1,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.29 : 3,406.93 = 885.76 : x
  2. Step 2: Convert to fraction form
    2,272.29/3,406.93 = 885.76/x
  3. Step 3: Cross multiply
    2,272.29x = 3,406.93 × 885.76
  4. Step 4: Simplify right side
    2,272.29x = 3,017,711.59
  5. Step 5: Solve for x
    x = 3,017,711.59/2,272.29
  6. Step 6: Final answer
    x = 1,328.05

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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.