Home / 3,547.19-5,314.61-2,156.22

Finding the Fourth Proportional to 3,547.19, 5,314.61 and 2,156.22

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Solution

The fourth proportional to 3,547.19, 5,314.61 and 2,156.22 is: 3,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.19 : 5,314.61 = 2,156.22 : x
  2. Step 2: Convert to fraction form
    3,547.19/5,314.61 = 2,156.22/x
  3. Step 3: Cross multiply
    3,547.19x = 5,314.61 × 2,156.22
  4. Step 4: Simplify right side
    3,547.19x = 11,459,473.76
  5. Step 5: Solve for x
    x = 11,459,473.76/3,547.19
  6. Step 6: Final answer
    x = 3,230.58

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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.