Home / 1,590.03-2,194.29-960.76

Finding the Fourth Proportional to 1,590.03, 2,194.29 and 960.76

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Solution

The fourth proportional to 1,590.03, 2,194.29 and 960.76 is: 1,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.03 : 2,194.29 = 960.76 : x
  2. Step 2: Convert to fraction form
    1,590.03/2,194.29 = 960.76/x
  3. Step 3: Cross multiply
    1,590.03x = 2,194.29 × 960.76
  4. Step 4: Simplify right side
    1,590.03x = 2,108,188.80
  5. Step 5: Solve for x
    x = 2,108,188.80/1,590.03
  6. Step 6: Final answer
    x = 1,325.88

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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.