Home / 2,293.39-3,161.19-1,547.11

Finding the Fourth Proportional to 2,293.39, 3,161.19 and 1,547.11

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Solution

The fourth proportional to 2,293.39, 3,161.19 and 1,547.11 is: 2,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.39 : 3,161.19 = 1,547.11 : x
  2. Step 2: Convert to fraction form
    2,293.39/3,161.19 = 1,547.11/x
  3. Step 3: Cross multiply
    2,293.39x = 3,161.19 × 1,547.11
  4. Step 4: Simplify right side
    2,293.39x = 4,890,708.66
  5. Step 5: Solve for x
    x = 4,890,708.66/2,293.39
  6. Step 6: Final answer
    x = 2,132.52

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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.