Home / 3,130.89-4,711.35-2,579.58

Finding the Fourth Proportional to 3,130.89, 4,711.35 and 2,579.58

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Solution

The fourth proportional to 3,130.89, 4,711.35 and 2,579.58 is: 3,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.89 : 4,711.35 = 2,579.58 : x
  2. Step 2: Convert to fraction form
    3,130.89/4,711.35 = 2,579.58/x
  3. Step 3: Cross multiply
    3,130.89x = 4,711.35 × 2,579.58
  4. Step 4: Simplify right side
    3,130.89x = 12,153,304.23
  5. Step 5: Solve for x
    x = 12,153,304.23/3,130.89
  6. Step 6: Final answer
    x = 3,881.74

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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.