Home / 1,948.04-2,689.14-1,162.76

Finding the Fourth Proportional to 1,948.04, 2,689.14 and 1,162.76

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Solution

The fourth proportional to 1,948.04, 2,689.14 and 1,162.76 is: 1,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.04 : 2,689.14 = 1,162.76 : x
  2. Step 2: Convert to fraction form
    1,948.04/2,689.14 = 1,162.76/x
  3. Step 3: Cross multiply
    1,948.04x = 2,689.14 × 1,162.76
  4. Step 4: Simplify right side
    1,948.04x = 3,126,824.43
  5. Step 5: Solve for x
    x = 3,126,824.43/1,948.04
  6. Step 6: Final answer
    x = 1,605.11

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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.