Home / 3,449.19-4,759.91-1,877.29

Finding the Fourth Proportional to 3,449.19, 4,759.91 and 1,877.29

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Solution

The fourth proportional to 3,449.19, 4,759.91 and 1,877.29 is: 2,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.19 : 4,759.91 = 1,877.29 : x
  2. Step 2: Convert to fraction form
    3,449.19/4,759.91 = 1,877.29/x
  3. Step 3: Cross multiply
    3,449.19x = 4,759.91 × 1,877.29
  4. Step 4: Simplify right side
    3,449.19x = 8,935,722.06
  5. Step 5: Solve for x
    x = 8,935,722.06/3,449.19
  6. Step 6: Final answer
    x = 2,590.67

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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.