Home / 3,648.24-5,031.72-2,230.74

Finding the Fourth Proportional to 3,648.24, 5,031.72 and 2,230.74

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Solution

The fourth proportional to 3,648.24, 5,031.72 and 2,230.74 is: 3,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.24 : 5,031.72 = 2,230.74 : x
  2. Step 2: Convert to fraction form
    3,648.24/5,031.72 = 2,230.74/x
  3. Step 3: Cross multiply
    3,648.24x = 5,031.72 × 2,230.74
  4. Step 4: Simplify right side
    3,648.24x = 11,224,459.07
  5. Step 5: Solve for x
    x = 11,224,459.07/3,648.24
  6. Step 6: Final answer
    x = 3,076.68

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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.