Home / 3,211.42-4,429.06-2,547.22

Finding the Fourth Proportional to 3,211.42, 4,429.06 and 2,547.22

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Solution

The fourth proportional to 3,211.42, 4,429.06 and 2,547.22 is: 3,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.42 : 4,429.06 = 2,547.22 : x
  2. Step 2: Convert to fraction form
    3,211.42/4,429.06 = 2,547.22/x
  3. Step 3: Cross multiply
    3,211.42x = 4,429.06 × 2,547.22
  4. Step 4: Simplify right side
    3,211.42x = 11,281,790.21
  5. Step 5: Solve for x
    x = 11,281,790.21/3,211.42
  6. Step 6: Final answer
    x = 3,513.02

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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.