Home / 3,501.88-5,251.20-1,554.64

Finding the Fourth Proportional to 3,501.88, 5,251.20 and 1,554.64

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Solution

The fourth proportional to 3,501.88, 5,251.20 and 1,554.64 is: 2,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.88 : 5,251.20 = 1,554.64 : x
  2. Step 2: Convert to fraction form
    3,501.88/5,251.20 = 1,554.64/x
  3. Step 3: Cross multiply
    3,501.88x = 5,251.20 × 1,554.64
  4. Step 4: Simplify right side
    3,501.88x = 8,163,725.57
  5. Step 5: Solve for x
    x = 8,163,725.57/3,501.88
  6. Step 6: Final answer
    x = 2,331.24

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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.