Home / 3,547.28-5,314.09-2,763.61

Finding the Fourth Proportional to 3,547.28, 5,314.09 and 2,763.61

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Solution

The fourth proportional to 3,547.28, 5,314.09 and 2,763.61 is: 4,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.28 : 5,314.09 = 2,763.61 : x
  2. Step 2: Convert to fraction form
    3,547.28/5,314.09 = 2,763.61/x
  3. Step 3: Cross multiply
    3,547.28x = 5,314.09 × 2,763.61
  4. Step 4: Simplify right side
    3,547.28x = 14,686,072.26
  5. Step 5: Solve for x
    x = 14,686,072.26/3,547.28
  6. Step 6: Final answer
    x = 4,140.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.