Home / 2,031.13-2,802.96-1,147.12

Finding the Fourth Proportional to 2,031.13, 2,802.96 and 1,147.12

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Solution

The fourth proportional to 2,031.13, 2,802.96 and 1,147.12 is: 1,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.13 : 2,802.96 = 1,147.12 : x
  2. Step 2: Convert to fraction form
    2,031.13/2,802.96 = 1,147.12/x
  3. Step 3: Cross multiply
    2,031.13x = 2,802.96 × 1,147.12
  4. Step 4: Simplify right side
    2,031.13x = 3,215,331.48
  5. Step 5: Solve for x
    x = 3,215,331.48/2,031.13
  6. Step 6: Final answer
    x = 1,583.03

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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.