Home / 3,430.08-5,147.52-2,392.56

Finding the Fourth Proportional to 3,430.08, 5,147.52 and 2,392.56

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Solution

The fourth proportional to 3,430.08, 5,147.52 and 2,392.56 is: 3,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.08 : 5,147.52 = 2,392.56 : x
  2. Step 2: Convert to fraction form
    3,430.08/5,147.52 = 2,392.56/x
  3. Step 3: Cross multiply
    3,430.08x = 5,147.52 × 2,392.56
  4. Step 4: Simplify right side
    3,430.08x = 12,315,750.45
  5. Step 5: Solve for x
    x = 12,315,750.45/3,430.08
  6. Step 6: Final answer
    x = 3,590.51

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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.