Home / 2,508.48-3,765.02-1,276.74

Finding the Fourth Proportional to 2,508.48, 3,765.02 and 1,276.74

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Solution

The fourth proportional to 2,508.48, 3,765.02 and 1,276.74 is: 1,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.48 : 3,765.02 = 1,276.74 : x
  2. Step 2: Convert to fraction form
    2,508.48/3,765.02 = 1,276.74/x
  3. Step 3: Cross multiply
    2,508.48x = 3,765.02 × 1,276.74
  4. Step 4: Simplify right side
    2,508.48x = 4,806,945.25
  5. Step 5: Solve for x
    x = 4,806,945.25/2,508.48
  6. Step 6: Final answer
    x = 1,916.28

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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.