Home / 1,920.43-2,649.74-1,500.04

Finding the Fourth Proportional to 1,920.43, 2,649.74 and 1,500.04

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Solution

The fourth proportional to 1,920.43, 2,649.74 and 1,500.04 is: 2,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.43 : 2,649.74 = 1,500.04 : x
  2. Step 2: Convert to fraction form
    1,920.43/2,649.74 = 1,500.04/x
  3. Step 3: Cross multiply
    1,920.43x = 2,649.74 × 1,500.04
  4. Step 4: Simplify right side
    1,920.43x = 3,974,701.12
  5. Step 5: Solve for x
    x = 3,974,701.12/1,920.43
  6. Step 6: Final answer
    x = 2,069.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.