Home / 2,172.43-3,258.65-1,526.05

Finding the Fourth Proportional to 2,172.43, 3,258.65 and 1,526.05

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Solution

The fourth proportional to 2,172.43, 3,258.65 and 1,526.05 is: 2,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.43 : 3,258.65 = 1,526.05 : x
  2. Step 2: Convert to fraction form
    2,172.43/3,258.65 = 1,526.05/x
  3. Step 3: Cross multiply
    2,172.43x = 3,258.65 × 1,526.05
  4. Step 4: Simplify right side
    2,172.43x = 4,972,862.83
  5. Step 5: Solve for x
    x = 4,972,862.83/2,172.43
  6. Step 6: Final answer
    x = 2,289.08

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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.