Home / 2,560.34-3,848.08-2,124.42

Finding the Fourth Proportional to 2,560.34, 3,848.08 and 2,124.42

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Solution

The fourth proportional to 2,560.34, 3,848.08 and 2,124.42 is: 3,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.34 : 3,848.08 = 2,124.42 : x
  2. Step 2: Convert to fraction form
    2,560.34/3,848.08 = 2,124.42/x
  3. Step 3: Cross multiply
    2,560.34x = 3,848.08 × 2,124.42
  4. Step 4: Simplify right side
    2,560.34x = 8,174,938.11
  5. Step 5: Solve for x
    x = 8,174,938.11/2,560.34
  6. Step 6: Final answer
    x = 3,192.91

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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.