Home / 2,332.40-3,219.14-1,838.90

Finding the Fourth Proportional to 2,332.40, 3,219.14 and 1,838.90

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Solution

The fourth proportional to 2,332.40, 3,219.14 and 1,838.90 is: 2,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.40 : 3,219.14 = 1,838.90 : x
  2. Step 2: Convert to fraction form
    2,332.40/3,219.14 = 1,838.90/x
  3. Step 3: Cross multiply
    2,332.40x = 3,219.14 × 1,838.90
  4. Step 4: Simplify right side
    2,332.40x = 5,919,689.19
  5. Step 5: Solve for x
    x = 5,919,689.19/2,332.40
  6. Step 6: Final answer
    x = 2,538.03

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1.5x scale

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.