Home / 3,526.48-5,289.75-1,189.12

Finding the Fourth Proportional to 3,526.48, 5,289.75 and 1,189.12

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Solution

The fourth proportional to 3,526.48, 5,289.75 and 1,189.12 is: 1,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.48 : 5,289.75 = 1,189.12 : x
  2. Step 2: Convert to fraction form
    3,526.48/5,289.75 = 1,189.12/x
  3. Step 3: Cross multiply
    3,526.48x = 5,289.75 × 1,189.12
  4. Step 4: Simplify right side
    3,526.48x = 6,290,147.52
  5. Step 5: Solve for x
    x = 6,290,147.52/3,526.48
  6. Step 6: Final answer
    x = 1,783.69

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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.