Home / 3,013.68-4,520.16-1,282.80

Finding the Fourth Proportional to 3,013.68, 4,520.16 and 1,282.80

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Solution

The fourth proportional to 3,013.68, 4,520.16 and 1,282.80 is: 1,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.68 : 4,520.16 = 1,282.80 : x
  2. Step 2: Convert to fraction form
    3,013.68/4,520.16 = 1,282.80/x
  3. Step 3: Cross multiply
    3,013.68x = 4,520.16 × 1,282.80
  4. Step 4: Simplify right side
    3,013.68x = 5,798,461.25
  5. Step 5: Solve for x
    x = 5,798,461.25/3,013.68
  6. Step 6: Final answer
    x = 1,924.05

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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.