Home / 1,740.66-2,402.22-1,143.50

Finding the Fourth Proportional to 1,740.66, 2,402.22 and 1,143.50

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Solution

The fourth proportional to 1,740.66, 2,402.22 and 1,143.50 is: 1,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.66 : 2,402.22 = 1,143.50 : x
  2. Step 2: Convert to fraction form
    1,740.66/2,402.22 = 1,143.50/x
  3. Step 3: Cross multiply
    1,740.66x = 2,402.22 × 1,143.50
  4. Step 4: Simplify right side
    1,740.66x = 2,746,938.57
  5. Step 5: Solve for x
    x = 2,746,938.57/1,740.66
  6. Step 6: Final answer
    x = 1,578.10

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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.