Home / 3,530.75-5,294.58-1,190.13

Finding the Fourth Proportional to 3,530.75, 5,294.58 and 1,190.13

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Solution

The fourth proportional to 3,530.75, 5,294.58 and 1,190.13 is: 1,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.75 : 5,294.58 = 1,190.13 : x
  2. Step 2: Convert to fraction form
    3,530.75/5,294.58 = 1,190.13/x
  3. Step 3: Cross multiply
    3,530.75x = 5,294.58 × 1,190.13
  4. Step 4: Simplify right side
    3,530.75x = 6,301,238.50
  5. Step 5: Solve for x
    x = 6,301,238.50/3,530.75
  6. Step 6: Final answer
    x = 1,784.67

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Half scale
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Double scale
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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.