Home / 4,031.40-6,047.28-2,087.40

Finding the Fourth Proportional to 4,031.40, 6,047.28 and 2,087.40

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Solution

The fourth proportional to 4,031.40, 6,047.28 and 2,087.40 is: 3,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.40 : 6,047.28 = 2,087.40 : x
  2. Step 2: Convert to fraction form
    4,031.40/6,047.28 = 2,087.40/x
  3. Step 3: Cross multiply
    4,031.40x = 6,047.28 × 2,087.40
  4. Step 4: Simplify right side
    4,031.40x = 12,623,092.27
  5. Step 5: Solve for x
    x = 12,623,092.27/4,031.40
  6. Step 6: Final answer
    x = 3,131.19

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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.