Home / 3,244.69-4,864.40-2,985.20

Finding the Fourth Proportional to 3,244.69, 4,864.40 and 2,985.20

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Solution

The fourth proportional to 3,244.69, 4,864.40 and 2,985.20 is: 4,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.69 : 4,864.40 = 2,985.20 : x
  2. Step 2: Convert to fraction form
    3,244.69/4,864.40 = 2,985.20/x
  3. Step 3: Cross multiply
    3,244.69x = 4,864.40 × 2,985.20
  4. Step 4: Simplify right side
    3,244.69x = 14,521,191.95
  5. Step 5: Solve for x
    x = 14,521,191.95/3,244.69
  6. Step 6: Final answer
    x = 4,475.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.