Home / 3,529.56-5,294.47-1,189.67

Finding the Fourth Proportional to 3,529.56, 5,294.47 and 1,189.67

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Solution

The fourth proportional to 3,529.56, 5,294.47 and 1,189.67 is: 1,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.56 : 5,294.47 = 1,189.67 : x
  2. Step 2: Convert to fraction form
    3,529.56/5,294.47 = 1,189.67/x
  3. Step 3: Cross multiply
    3,529.56x = 5,294.47 × 1,189.67
  4. Step 4: Simplify right side
    3,529.56x = 6,298,655.91
  5. Step 5: Solve for x
    x = 6,298,655.91/3,529.56
  6. Step 6: Final answer
    x = 1,784.55

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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.