Home / 3,529.80-5,294.93-1,190.12

Finding the Fourth Proportional to 3,529.80, 5,294.93 and 1,190.12

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Solution

The fourth proportional to 3,529.80, 5,294.93 and 1,190.12 is: 1,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.80 : 5,294.93 = 1,190.12 : x
  2. Step 2: Convert to fraction form
    3,529.80/5,294.93 = 1,190.12/x
  3. Step 3: Cross multiply
    3,529.80x = 5,294.93 × 1,190.12
  4. Step 4: Simplify right side
    3,529.80x = 6,301,569.67
  5. Step 5: Solve for x
    x = 6,301,569.67/3,529.80
  6. Step 6: Final answer
    x = 1,785.25

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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.