Home / 3,444.04-5,130.89-3,278.80

Finding the Fourth Proportional to 3,444.04, 5,130.89 and 3,278.80

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Solution

The fourth proportional to 3,444.04, 5,130.89 and 3,278.80 is: 4,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.04 : 5,130.89 = 3,278.80 : x
  2. Step 2: Convert to fraction form
    3,444.04/5,130.89 = 3,278.80/x
  3. Step 3: Cross multiply
    3,444.04x = 5,130.89 × 3,278.80
  4. Step 4: Simplify right side
    3,444.04x = 16,823,162.13
  5. Step 5: Solve for x
    x = 16,823,162.13/3,444.04
  6. Step 6: Final answer
    x = 4,884.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.