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Finding the Fourth Proportional to 2,713.04, 3,750.12 and 2,020.88

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Solution

The fourth proportional to 2,713.04, 3,750.12 and 2,020.88 is: 2,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.04 : 3,750.12 = 2,020.88 : x
  2. Step 2: Convert to fraction form
    2,713.04/3,750.12 = 2,020.88/x
  3. Step 3: Cross multiply
    2,713.04x = 3,750.12 × 2,020.88
  4. Step 4: Simplify right side
    2,713.04x = 7,578,542.51
  5. Step 5: Solve for x
    x = 7,578,542.51/2,713.04
  6. Step 6: Final answer
    x = 2,793.38

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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.