Home / 2,290.34-3,159-1,451.18

Finding the Fourth Proportional to 2,290.34, 3,159 and 1,451.18

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Solution

The fourth proportional to 2,290.34, 3,159 and 1,451.18 is: 2,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.34 : 3,159 = 1,451.18 : x
  2. Step 2: Convert to fraction form
    2,290.34/3,159 = 1,451.18/x
  3. Step 3: Cross multiply
    2,290.34x = 3,159 × 1,451.18
  4. Step 4: Simplify right side
    2,290.34x = 4,584,277.62
  5. Step 5: Solve for x
    x = 4,584,277.62/2,290.34
  6. Step 6: Final answer
    x = 2,001.57

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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.