Home / 1,869.77-2,581.21-1,449.17

Finding the Fourth Proportional to 1,869.77, 2,581.21 and 1,449.17

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Solution

The fourth proportional to 1,869.77, 2,581.21 and 1,449.17 is: 2,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.77 : 2,581.21 = 1,449.17 : x
  2. Step 2: Convert to fraction form
    1,869.77/2,581.21 = 1,449.17/x
  3. Step 3: Cross multiply
    1,869.77x = 2,581.21 × 1,449.17
  4. Step 4: Simplify right side
    1,869.77x = 3,740,612.10
  5. Step 5: Solve for x
    x = 3,740,612.10/1,869.77
  6. Step 6: Final answer
    x = 2,000.57

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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.