Home / 3,549.44-5,320.32-2,389.76

Finding the Fourth Proportional to 3,549.44, 5,320.32 and 2,389.76

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Solution

The fourth proportional to 3,549.44, 5,320.32 and 2,389.76 is: 3,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.44 : 5,320.32 = 2,389.76 : x
  2. Step 2: Convert to fraction form
    3,549.44/5,320.32 = 2,389.76/x
  3. Step 3: Cross multiply
    3,549.44x = 5,320.32 × 2,389.76
  4. Step 4: Simplify right side
    3,549.44x = 12,714,287.92
  5. Step 5: Solve for x
    x = 12,714,287.92/3,549.44
  6. Step 6: Final answer
    x = 3,582.05

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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.