Home / 1,508.96-2,260.36-1,382.96

Finding the Fourth Proportional to 1,508.96, 2,260.36 and 1,382.96

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Solution

The fourth proportional to 1,508.96, 2,260.36 and 1,382.96 is: 2,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.96 : 2,260.36 = 1,382.96 : x
  2. Step 2: Convert to fraction form
    1,508.96/2,260.36 = 1,382.96/x
  3. Step 3: Cross multiply
    1,508.96x = 2,260.36 × 1,382.96
  4. Step 4: Simplify right side
    1,508.96x = 3,125,987.47
  5. Step 5: Solve for x
    x = 3,125,987.47/1,508.96
  6. Step 6: Final answer
    x = 2,071.62

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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.