Home / 1,590.19-2,194.55-927.01

Finding the Fourth Proportional to 1,590.19, 2,194.55 and 927.01

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Solution

The fourth proportional to 1,590.19, 2,194.55 and 927.01 is: 1,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.19 : 2,194.55 = 927.01 : x
  2. Step 2: Convert to fraction form
    1,590.19/2,194.55 = 927.01/x
  3. Step 3: Cross multiply
    1,590.19x = 2,194.55 × 927.01
  4. Step 4: Simplify right side
    1,590.19x = 2,034,361.64
  5. Step 5: Solve for x
    x = 2,034,361.64/1,590.19
  6. Step 6: Final answer
    x = 1,279.32

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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.