Home / 2,031.55-3,048.09-1,242.53

Finding the Fourth Proportional to 2,031.55, 3,048.09 and 1,242.53

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Solution

The fourth proportional to 2,031.55, 3,048.09 and 1,242.53 is: 1,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.55 : 3,048.09 = 1,242.53 : x
  2. Step 2: Convert to fraction form
    2,031.55/3,048.09 = 1,242.53/x
  3. Step 3: Cross multiply
    2,031.55x = 3,048.09 × 1,242.53
  4. Step 4: Simplify right side
    2,031.55x = 3,787,344.24
  5. Step 5: Solve for x
    x = 3,787,344.24/2,031.55
  6. Step 6: Final answer
    x = 1,864.26

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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.