Home / 3,320.16-4,582.08-1,994.40

Finding the Fourth Proportional to 3,320.16, 4,582.08 and 1,994.40

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Solution

The fourth proportional to 3,320.16, 4,582.08 and 1,994.40 is: 2,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.16 : 4,582.08 = 1,994.40 : x
  2. Step 2: Convert to fraction form
    3,320.16/4,582.08 = 1,994.40/x
  3. Step 3: Cross multiply
    3,320.16x = 4,582.08 × 1,994.40
  4. Step 4: Simplify right side
    3,320.16x = 9,138,500.35
  5. Step 5: Solve for x
    x = 9,138,500.35/3,320.16
  6. Step 6: Final answer
    x = 2,752.43

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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.