Home / 3,734.34-5,152.80-2,162.13

Finding the Fourth Proportional to 3,734.34, 5,152.80 and 2,162.13

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Solution

The fourth proportional to 3,734.34, 5,152.80 and 2,162.13 is: 2,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.34 : 5,152.80 = 2,162.13 : x
  2. Step 2: Convert to fraction form
    3,734.34/5,152.80 = 2,162.13/x
  3. Step 3: Cross multiply
    3,734.34x = 5,152.80 × 2,162.13
  4. Step 4: Simplify right side
    3,734.34x = 11,141,023.46
  5. Step 5: Solve for x
    x = 11,141,023.46/3,734.34
  6. Step 6: Final answer
    x = 2,983.40

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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.