Home / 2,528.47-3,785.50-2,009.22

Finding the Fourth Proportional to 2,528.47, 3,785.50 and 2,009.22

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Solution

The fourth proportional to 2,528.47, 3,785.50 and 2,009.22 is: 3,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.47 : 3,785.50 = 2,009.22 : x
  2. Step 2: Convert to fraction form
    2,528.47/3,785.50 = 2,009.22/x
  3. Step 3: Cross multiply
    2,528.47x = 3,785.50 × 2,009.22
  4. Step 4: Simplify right side
    2,528.47x = 7,605,902.31
  5. Step 5: Solve for x
    x = 7,605,902.31/2,528.47
  6. Step 6: Final answer
    x = 3,008.10

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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.