Home / 3,298.59-4,552.34-1,972.40

Finding the Fourth Proportional to 3,298.59, 4,552.34 and 1,972.40

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Solution

The fourth proportional to 3,298.59, 4,552.34 and 1,972.40 is: 2,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.59 : 4,552.34 = 1,972.40 : x
  2. Step 2: Convert to fraction form
    3,298.59/4,552.34 = 1,972.40/x
  3. Step 3: Cross multiply
    3,298.59x = 4,552.34 × 1,972.40
  4. Step 4: Simplify right side
    3,298.59x = 8,979,002.79
  5. Step 5: Solve for x
    x = 8,979,002.79/3,298.59
  6. Step 6: Final answer
    x = 2,722.07

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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.