Home / 3,547.22-4,890.83-2,218.62

Finding the Fourth Proportional to 3,547.22, 4,890.83 and 2,218.62

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Solution

The fourth proportional to 3,547.22, 4,890.83 and 2,218.62 is: 3,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.22 : 4,890.83 = 2,218.62 : x
  2. Step 2: Convert to fraction form
    3,547.22/4,890.83 = 2,218.62/x
  3. Step 3: Cross multiply
    3,547.22x = 4,890.83 × 2,218.62
  4. Step 4: Simplify right side
    3,547.22x = 10,850,875.48
  5. Step 5: Solve for x
    x = 10,850,875.48/3,547.22
  6. Step 6: Final answer
    x = 3,058.98

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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.