Home / 3,110.54-4,289.25-2,402.50

Finding the Fourth Proportional to 3,110.54, 4,289.25 and 2,402.50

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Solution

The fourth proportional to 3,110.54, 4,289.25 and 2,402.50 is: 3,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.54 : 4,289.25 = 2,402.50 : x
  2. Step 2: Convert to fraction form
    3,110.54/4,289.25 = 2,402.50/x
  3. Step 3: Cross multiply
    3,110.54x = 4,289.25 × 2,402.50
  4. Step 4: Simplify right side
    3,110.54x = 10,304,929.45
  5. Step 5: Solve for x
    x = 10,304,929.45/3,110.54
  6. Step 6: Final answer
    x = 3,312.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.