Home / 3,555.15-5,334.59-2,521.81

Finding the Fourth Proportional to 3,555.15, 5,334.59 and 2,521.81

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Solution

The fourth proportional to 3,555.15, 5,334.59 and 2,521.81 is: 3,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.15 : 5,334.59 = 2,521.81 : x
  2. Step 2: Convert to fraction form
    3,555.15/5,334.59 = 2,521.81/x
  3. Step 3: Cross multiply
    3,555.15x = 5,334.59 × 2,521.81
  4. Step 4: Simplify right side
    3,555.15x = 13,452,809.80
  5. Step 5: Solve for x
    x = 13,452,809.80/3,555.15
  6. Step 6: Final answer
    x = 3,784.04

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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.