Home / 1,590.42-2,194.73-927.30

Finding the Fourth Proportional to 1,590.42, 2,194.73 and 927.30

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Solution

The fourth proportional to 1,590.42, 2,194.73 and 927.30 is: 1,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.42 : 2,194.73 = 927.30 : x
  2. Step 2: Convert to fraction form
    1,590.42/2,194.73 = 927.30/x
  3. Step 3: Cross multiply
    1,590.42x = 2,194.73 × 927.30
  4. Step 4: Simplify right side
    1,590.42x = 2,035,173.13
  5. Step 5: Solve for x
    x = 2,035,173.13/1,590.42
  6. Step 6: Final answer
    x = 1,279.65

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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.