Home / 2,761.24-4,143.48-1,031.08

Finding the Fourth Proportional to 2,761.24, 4,143.48 and 1,031.08

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Solution

The fourth proportional to 2,761.24, 4,143.48 and 1,031.08 is: 1,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.24 : 4,143.48 = 1,031.08 : x
  2. Step 2: Convert to fraction form
    2,761.24/4,143.48 = 1,031.08/x
  3. Step 3: Cross multiply
    2,761.24x = 4,143.48 × 1,031.08
  4. Step 4: Simplify right side
    2,761.24x = 4,272,259.36
  5. Step 5: Solve for x
    x = 4,272,259.36/2,761.24
  6. Step 6: Final answer
    x = 1,547.22

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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.