Home / 2,010.20-2,775.24-1,264.80

Finding the Fourth Proportional to 2,010.20, 2,775.24 and 1,264.80

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Solution

The fourth proportional to 2,010.20, 2,775.24 and 1,264.80 is: 1,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.20 : 2,775.24 = 1,264.80 : x
  2. Step 2: Convert to fraction form
    2,010.20/2,775.24 = 1,264.80/x
  3. Step 3: Cross multiply
    2,010.20x = 2,775.24 × 1,264.80
  4. Step 4: Simplify right side
    2,010.20x = 3,510,123.55
  5. Step 5: Solve for x
    x = 3,510,123.55/2,010.20
  6. Step 6: Final answer
    x = 1,746.16

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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.