Home / 2,985.18-4,114.83-2,274.75

Finding the Fourth Proportional to 2,985.18, 4,114.83 and 2,274.75

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Solution

The fourth proportional to 2,985.18, 4,114.83 and 2,274.75 is: 3,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.18 : 4,114.83 = 2,274.75 : x
  2. Step 2: Convert to fraction form
    2,985.18/4,114.83 = 2,274.75/x
  3. Step 3: Cross multiply
    2,985.18x = 4,114.83 × 2,274.75
  4. Step 4: Simplify right side
    2,985.18x = 9,360,209.54
  5. Step 5: Solve for x
    x = 9,360,209.54/2,985.18
  6. Step 6: Final answer
    x = 3,135.56

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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.