Home / 3,547.52-4,891.20-2,759.84

Finding the Fourth Proportional to 3,547.52, 4,891.20 and 2,759.84

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Solution

The fourth proportional to 3,547.52, 4,891.20 and 2,759.84 is: 3,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.52 : 4,891.20 = 2,759.84 : x
  2. Step 2: Convert to fraction form
    3,547.52/4,891.20 = 2,759.84/x
  3. Step 3: Cross multiply
    3,547.52x = 4,891.20 × 2,759.84
  4. Step 4: Simplify right side
    3,547.52x = 13,498,929.41
  5. Step 5: Solve for x
    x = 13,498,929.41/3,547.52
  6. Step 6: Final answer
    x = 3,805.17

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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.