Home / 3,031.95-4,549.67-1,276.82

Finding the Fourth Proportional to 3,031.95, 4,549.67 and 1,276.82

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Solution

The fourth proportional to 3,031.95, 4,549.67 and 1,276.82 is: 1,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.95 : 4,549.67 = 1,276.82 : x
  2. Step 2: Convert to fraction form
    3,031.95/4,549.67 = 1,276.82/x
  3. Step 3: Cross multiply
    3,031.95x = 4,549.67 × 1,276.82
  4. Step 4: Simplify right side
    3,031.95x = 5,809,080.52
  5. Step 5: Solve for x
    x = 5,809,080.52/3,031.95
  6. Step 6: Final answer
    x = 1,915.96

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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.