Home / 2,347.45-3,241.90-2,031.20

Finding the Fourth Proportional to 2,347.45, 3,241.90 and 2,031.20

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Solution

The fourth proportional to 2,347.45, 3,241.90 and 2,031.20 is: 2,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.45 : 3,241.90 = 2,031.20 : x
  2. Step 2: Convert to fraction form
    2,347.45/3,241.90 = 2,031.20/x
  3. Step 3: Cross multiply
    2,347.45x = 3,241.90 × 2,031.20
  4. Step 4: Simplify right side
    2,347.45x = 6,584,945.77
  5. Step 5: Solve for x
    x = 6,584,945.77/2,347.45
  6. Step 6: Final answer
    x = 2,805.15

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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.