Home / 3,180.14-4,751.38-3,071.12

Finding the Fourth Proportional to 3,180.14, 4,751.38 and 3,071.12

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Solution

The fourth proportional to 3,180.14, 4,751.38 and 3,071.12 is: 4,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.14 : 4,751.38 = 3,071.12 : x
  2. Step 2: Convert to fraction form
    3,180.14/4,751.38 = 3,071.12/x
  3. Step 3: Cross multiply
    3,180.14x = 4,751.38 × 3,071.12
  4. Step 4: Simplify right side
    3,180.14x = 14,592,058.15
  5. Step 5: Solve for x
    x = 14,592,058.15/3,180.14
  6. Step 6: Final answer
    x = 4,588.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.