Home / 2,260.76-3,119.46-1,421.96

Finding the Fourth Proportional to 2,260.76, 3,119.46 and 1,421.96

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Solution

The fourth proportional to 2,260.76, 3,119.46 and 1,421.96 is: 1,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.76 : 3,119.46 = 1,421.96 : x
  2. Step 2: Convert to fraction form
    2,260.76/3,119.46 = 1,421.96/x
  3. Step 3: Cross multiply
    2,260.76x = 3,119.46 × 1,421.96
  4. Step 4: Simplify right side
    2,260.76x = 4,435,747.34
  5. Step 5: Solve for x
    x = 4,435,747.34/2,260.76
  6. Step 6: Final answer
    x = 1,962.06

Related Problems

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Half scale
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Double scale
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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.