Home / 3,031.76-4,186.90-2,284.56

Finding the Fourth Proportional to 3,031.76, 4,186.90 and 2,284.56

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Solution

The fourth proportional to 3,031.76, 4,186.90 and 2,284.56 is: 3,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.76 : 4,186.90 = 2,284.56 : x
  2. Step 2: Convert to fraction form
    3,031.76/4,186.90 = 2,284.56/x
  3. Step 3: Cross multiply
    3,031.76x = 4,186.90 × 2,284.56
  4. Step 4: Simplify right side
    3,031.76x = 9,565,224.26
  5. Step 5: Solve for x
    x = 9,565,224.26/3,031.76
  6. Step 6: Final answer
    x = 3,155.01

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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.