Home / 2,528.19-3,784.43-2,312.89

Finding the Fourth Proportional to 2,528.19, 3,784.43 and 2,312.89

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Solution

The fourth proportional to 2,528.19, 3,784.43 and 2,312.89 is: 3,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.19 : 3,784.43 = 2,312.89 : x
  2. Step 2: Convert to fraction form
    2,528.19/3,784.43 = 2,312.89/x
  3. Step 3: Cross multiply
    2,528.19x = 3,784.43 × 2,312.89
  4. Step 4: Simplify right side
    2,528.19x = 8,752,966.62
  5. Step 5: Solve for x
    x = 8,752,966.62/2,528.19
  6. Step 6: Final answer
    x = 3,462.15

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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.