Home / 2,275.02-3,410.19-1,299.15

Finding the Fourth Proportional to 2,275.02, 3,410.19 and 1,299.15

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Solution

The fourth proportional to 2,275.02, 3,410.19 and 1,299.15 is: 1,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.02 : 3,410.19 = 1,299.15 : x
  2. Step 2: Convert to fraction form
    2,275.02/3,410.19 = 1,299.15/x
  3. Step 3: Cross multiply
    2,275.02x = 3,410.19 × 1,299.15
  4. Step 4: Simplify right side
    2,275.02x = 4,430,348.34
  5. Step 5: Solve for x
    x = 4,430,348.34/2,275.02
  6. Step 6: Final answer
    x = 1,947.39

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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.