Home / 3,620.61-5,430.92-2,330.28

Finding the Fourth Proportional to 3,620.61, 5,430.92 and 2,330.28

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Solution

The fourth proportional to 3,620.61, 5,430.92 and 2,330.28 is: 3,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.61 : 5,430.92 = 2,330.28 : x
  2. Step 2: Convert to fraction form
    3,620.61/5,430.92 = 2,330.28/x
  3. Step 3: Cross multiply
    3,620.61x = 5,430.92 × 2,330.28
  4. Step 4: Simplify right side
    3,620.61x = 12,655,552.61
  5. Step 5: Solve for x
    x = 12,655,552.61/3,620.61
  6. Step 6: Final answer
    x = 3,495.42

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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.