Home / 2,500.20-3,750.44-1,266.20

Finding the Fourth Proportional to 2,500.20, 3,750.44 and 1,266.20

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Solution

The fourth proportional to 2,500.20, 3,750.44 and 1,266.20 is: 1,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.20 : 3,750.44 = 1,266.20 : x
  2. Step 2: Convert to fraction form
    2,500.20/3,750.44 = 1,266.20/x
  3. Step 3: Cross multiply
    2,500.20x = 3,750.44 × 1,266.20
  4. Step 4: Simplify right side
    2,500.20x = 4,748,807.13
  5. Step 5: Solve for x
    x = 4,748,807.13/2,500.20
  6. Step 6: Final answer
    x = 1,899.37

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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.