Home / 3,876.52-5,343.96-2,547.94

Finding the Fourth Proportional to 3,876.52, 5,343.96 and 2,547.94

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Solution

The fourth proportional to 3,876.52, 5,343.96 and 2,547.94 is: 3,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.52 : 5,343.96 = 2,547.94 : x
  2. Step 2: Convert to fraction form
    3,876.52/5,343.96 = 2,547.94/x
  3. Step 3: Cross multiply
    3,876.52x = 5,343.96 × 2,547.94
  4. Step 4: Simplify right side
    3,876.52x = 13,616,089.44
  5. Step 5: Solve for x
    x = 13,616,089.44/3,876.52
  6. Step 6: Final answer
    x = 3,512.45

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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.