Home / 3,529.83-5,290.19-1,681.51

Finding the Fourth Proportional to 3,529.83, 5,290.19 and 1,681.51

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Solution

The fourth proportional to 3,529.83, 5,290.19 and 1,681.51 is: 2,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.83 : 5,290.19 = 1,681.51 : x
  2. Step 2: Convert to fraction form
    3,529.83/5,290.19 = 1,681.51/x
  3. Step 3: Cross multiply
    3,529.83x = 5,290.19 × 1,681.51
  4. Step 4: Simplify right side
    3,529.83x = 8,895,507.39
  5. Step 5: Solve for x
    x = 8,895,507.39/3,529.83
  6. Step 6: Final answer
    x = 2,520.10

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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.