Home / 2,360.05-3,540.08-1,127.17

Finding the Fourth Proportional to 2,360.05, 3,540.08 and 1,127.17

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Solution

The fourth proportional to 2,360.05, 3,540.08 and 1,127.17 is: 1,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.05 : 3,540.08 = 1,127.17 : x
  2. Step 2: Convert to fraction form
    2,360.05/3,540.08 = 1,127.17/x
  3. Step 3: Cross multiply
    2,360.05x = 3,540.08 × 1,127.17
  4. Step 4: Simplify right side
    2,360.05x = 3,990,271.97
  5. Step 5: Solve for x
    x = 3,990,271.97/2,360.05
  6. Step 6: Final answer
    x = 1,690.76

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Double scale
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Similar ratio
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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.