Home / 3,549.90-5,325.30-1,904.19

Finding the Fourth Proportional to 3,549.90, 5,325.30 and 1,904.19

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Solution

The fourth proportional to 3,549.90, 5,325.30 and 1,904.19 is: 2,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.90 : 5,325.30 = 1,904.19 : x
  2. Step 2: Convert to fraction form
    3,549.90/5,325.30 = 1,904.19/x
  3. Step 3: Cross multiply
    3,549.90x = 5,325.30 × 1,904.19
  4. Step 4: Simplify right side
    3,549.90x = 10,140,383.01
  5. Step 5: Solve for x
    x = 10,140,383.01/3,549.90
  6. Step 6: Final answer
    x = 2,856.53

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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.