Home / 2,373.43-3,274.78-1,378.11

Finding the Fourth Proportional to 2,373.43, 3,274.78 and 1,378.11

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Solution

The fourth proportional to 2,373.43, 3,274.78 and 1,378.11 is: 1,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.43 : 3,274.78 = 1,378.11 : x
  2. Step 2: Convert to fraction form
    2,373.43/3,274.78 = 1,378.11/x
  3. Step 3: Cross multiply
    2,373.43x = 3,274.78 × 1,378.11
  4. Step 4: Simplify right side
    2,373.43x = 4,513,000.18
  5. Step 5: Solve for x
    x = 4,513,000.18/2,373.43
  6. Step 6: Final answer
    x = 1,901.47

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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.