Home / 2,277.39-3,140.60-2,031.15

Finding the Fourth Proportional to 2,277.39, 3,140.60 and 2,031.15

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Solution

The fourth proportional to 2,277.39, 3,140.60 and 2,031.15 is: 2,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.39 : 3,140.60 = 2,031.15 : x
  2. Step 2: Convert to fraction form
    2,277.39/3,140.60 = 2,031.15/x
  3. Step 3: Cross multiply
    2,277.39x = 3,140.60 × 2,031.15
  4. Step 4: Simplify right side
    2,277.39x = 6,379,019.53
  5. Step 5: Solve for x
    x = 6,379,019.53/2,277.39
  6. Step 6: Final answer
    x = 2,801.02

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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.