Home / 2,902.12-4,335.52-1,853.71

Finding the Fourth Proportional to 2,902.12, 4,335.52 and 1,853.71

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Solution

The fourth proportional to 2,902.12, 4,335.52 and 1,853.71 is: 2,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.12 : 4,335.52 = 1,853.71 : x
  2. Step 2: Convert to fraction form
    2,902.12/4,335.52 = 1,853.71/x
  3. Step 3: Cross multiply
    2,902.12x = 4,335.52 × 1,853.71
  4. Step 4: Simplify right side
    2,902.12x = 8,036,796.78
  5. Step 5: Solve for x
    x = 8,036,796.78/2,902.12
  6. Step 6: Final answer
    x = 2,769.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.