Home / 2,220.48-3,064.10-1,276.27

Finding the Fourth Proportional to 2,220.48, 3,064.10 and 1,276.27

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Solution

The fourth proportional to 2,220.48, 3,064.10 and 1,276.27 is: 1,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.48 : 3,064.10 = 1,276.27 : x
  2. Step 2: Convert to fraction form
    2,220.48/3,064.10 = 1,276.27/x
  3. Step 3: Cross multiply
    2,220.48x = 3,064.10 × 1,276.27
  4. Step 4: Simplify right side
    2,220.48x = 3,910,621.14
  5. Step 5: Solve for x
    x = 3,910,621.14/2,220.48
  6. Step 6: Final answer
    x = 1,761.16

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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.