Home / 3,113.10-4,669.65-2,675.70

Finding the Fourth Proportional to 3,113.10, 4,669.65 and 2,675.70

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Solution

The fourth proportional to 3,113.10, 4,669.65 and 2,675.70 is: 4,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.10 : 4,669.65 = 2,675.70 : x
  2. Step 2: Convert to fraction form
    3,113.10/4,669.65 = 2,675.70/x
  3. Step 3: Cross multiply
    3,113.10x = 4,669.65 × 2,675.70
  4. Step 4: Simplify right side
    3,113.10x = 12,494,582.51
  5. Step 5: Solve for x
    x = 12,494,582.51/3,113.10
  6. Step 6: Final answer
    x = 4,013.55

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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.