Home / 2,528.32-3,792.80-885.84

Finding the Fourth Proportional to 2,528.32, 3,792.80 and 885.84

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Solution

The fourth proportional to 2,528.32, 3,792.80 and 885.84 is: 1,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.32 : 3,792.80 = 885.84 : x
  2. Step 2: Convert to fraction form
    2,528.32/3,792.80 = 885.84/x
  3. Step 3: Cross multiply
    2,528.32x = 3,792.80 × 885.84
  4. Step 4: Simplify right side
    2,528.32x = 3,359,813.95
  5. Step 5: Solve for x
    x = 3,359,813.95/2,528.32
  6. Step 6: Final answer
    x = 1,328.87

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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.