Home / 3,448.80-4,759.32-1,876.90

Finding the Fourth Proportional to 3,448.80, 4,759.32 and 1,876.90

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Solution

The fourth proportional to 3,448.80, 4,759.32 and 1,876.90 is: 2,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.80 : 4,759.32 = 1,876.90 : x
  2. Step 2: Convert to fraction form
    3,448.80/4,759.32 = 1,876.90/x
  3. Step 3: Cross multiply
    3,448.80x = 4,759.32 × 1,876.90
  4. Step 4: Simplify right side
    3,448.80x = 8,932,767.71
  5. Step 5: Solve for x
    x = 8,932,767.71/3,448.80
  6. Step 6: Final answer
    x = 2,590.11

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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.