Home / 2,853.40-4,276.14-1,555.96

Finding the Fourth Proportional to 2,853.40, 4,276.14 and 1,555.96

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Solution

The fourth proportional to 2,853.40, 4,276.14 and 1,555.96 is: 2,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.40 : 4,276.14 = 1,555.96 : x
  2. Step 2: Convert to fraction form
    2,853.40/4,276.14 = 1,555.96/x
  3. Step 3: Cross multiply
    2,853.40x = 4,276.14 × 1,555.96
  4. Step 4: Simplify right side
    2,853.40x = 6,653,502.79
  5. Step 5: Solve for x
    x = 6,653,502.79/2,853.40
  6. Step 6: Final answer
    x = 2,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.