Home / 1,633.12-2,445.10-890.04

Finding the Fourth Proportional to 1,633.12, 2,445.10 and 890.04

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Solution

The fourth proportional to 1,633.12, 2,445.10 and 890.04 is: 1,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.12 : 2,445.10 = 890.04 : x
  2. Step 2: Convert to fraction form
    1,633.12/2,445.10 = 890.04/x
  3. Step 3: Cross multiply
    1,633.12x = 2,445.10 × 890.04
  4. Step 4: Simplify right side
    1,633.12x = 2,176,236.80
  5. Step 5: Solve for x
    x = 2,176,236.80/1,633.12
  6. Step 6: Final answer
    x = 1,332.56

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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.