Home / 2,212.29-3,049.75-1,547.08

Finding the Fourth Proportional to 2,212.29, 3,049.75 and 1,547.08

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Solution

The fourth proportional to 2,212.29, 3,049.75 and 1,547.08 is: 2,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.29 : 3,049.75 = 1,547.08 : x
  2. Step 2: Convert to fraction form
    2,212.29/3,049.75 = 1,547.08/x
  3. Step 3: Cross multiply
    2,212.29x = 3,049.75 × 1,547.08
  4. Step 4: Simplify right side
    2,212.29x = 4,718,184.25
  5. Step 5: Solve for x
    x = 4,718,184.25/2,212.29
  6. Step 6: Final answer
    x = 2,132.72

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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.