Home / 3,449.07-4,759.71-1,877.16

Finding the Fourth Proportional to 3,449.07, 4,759.71 and 1,877.16

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Solution

The fourth proportional to 3,449.07, 4,759.71 and 1,877.16 is: 2,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.07 : 4,759.71 = 1,877.16 : x
  2. Step 2: Convert to fraction form
    3,449.07/4,759.71 = 1,877.16/x
  3. Step 3: Cross multiply
    3,449.07x = 4,759.71 × 1,877.16
  4. Step 4: Simplify right side
    3,449.07x = 8,934,737.22
  5. Step 5: Solve for x
    x = 8,934,737.22/3,449.07
  6. Step 6: Final answer
    x = 2,590.48

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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.