Home / 3,547.05-4,892.77-2,219.66

Finding the Fourth Proportional to 3,547.05, 4,892.77 and 2,219.66

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Solution

The fourth proportional to 3,547.05, 4,892.77 and 2,219.66 is: 3,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.05 : 4,892.77 = 2,219.66 : x
  2. Step 2: Convert to fraction form
    3,547.05/4,892.77 = 2,219.66/x
  3. Step 3: Cross multiply
    3,547.05x = 4,892.77 × 2,219.66
  4. Step 4: Simplify right side
    3,547.05x = 10,860,285.86
  5. Step 5: Solve for x
    x = 10,860,285.86/3,547.05
  6. Step 6: Final answer
    x = 3,061.78

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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.