Home / 2,276.99-3,142.55-1,491.49

Finding the Fourth Proportional to 2,276.99, 3,142.55 and 1,491.49

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Solution

The fourth proportional to 2,276.99, 3,142.55 and 1,491.49 is: 2,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.99 : 3,142.55 = 1,491.49 : x
  2. Step 2: Convert to fraction form
    2,276.99/3,142.55 = 1,491.49/x
  3. Step 3: Cross multiply
    2,276.99x = 3,142.55 × 1,491.49
  4. Step 4: Simplify right side
    2,276.99x = 4,687,081.90
  5. Step 5: Solve for x
    x = 4,687,081.90/2,276.99
  6. Step 6: Final answer
    x = 2,058.46

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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.