Home / 2,325.60-3,208.20-1,528.62

Finding the Fourth Proportional to 2,325.60, 3,208.20 and 1,528.62

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Solution

The fourth proportional to 2,325.60, 3,208.20 and 1,528.62 is: 2,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.60 : 3,208.20 = 1,528.62 : x
  2. Step 2: Convert to fraction form
    2,325.60/3,208.20 = 1,528.62/x
  3. Step 3: Cross multiply
    2,325.60x = 3,208.20 × 1,528.62
  4. Step 4: Simplify right side
    2,325.60x = 4,904,118.68
  5. Step 5: Solve for x
    x = 4,904,118.68/2,325.60
  6. Step 6: Final answer
    x = 2,108.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.