Home / 3,031.72-4,547.58-2,798.44

Finding the Fourth Proportional to 3,031.72, 4,547.58 and 2,798.44

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Solution

The fourth proportional to 3,031.72, 4,547.58 and 2,798.44 is: 4,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.72 : 4,547.58 = 2,798.44 : x
  2. Step 2: Convert to fraction form
    3,031.72/4,547.58 = 2,798.44/x
  3. Step 3: Cross multiply
    3,031.72x = 4,547.58 × 2,798.44
  4. Step 4: Simplify right side
    3,031.72x = 12,726,129.78
  5. Step 5: Solve for x
    x = 12,726,129.78/3,031.72
  6. Step 6: Final answer
    x = 4,197.66

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Similar ratio
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1.5x scale

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.