Home / 3,547.40-4,897.16-2,221.83

Finding the Fourth Proportional to 3,547.40, 4,897.16 and 2,221.83

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Solution

The fourth proportional to 3,547.40, 4,897.16 and 2,221.83 is: 3,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.40 : 4,897.16 = 2,221.83 : x
  2. Step 2: Convert to fraction form
    3,547.40/4,897.16 = 2,221.83/x
  3. Step 3: Cross multiply
    3,547.40x = 4,897.16 × 2,221.83
  4. Step 4: Simplify right side
    3,547.40x = 10,880,654.23
  5. Step 5: Solve for x
    x = 10,880,654.23/3,547.40
  6. Step 6: Final answer
    x = 3,067.22

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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.