Home / 3,140.14-4,330.26-2,667.52

Finding the Fourth Proportional to 3,140.14, 4,330.26 and 2,667.52

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Solution

The fourth proportional to 3,140.14, 4,330.26 and 2,667.52 is: 3,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.14 : 4,330.26 = 2,667.52 : x
  2. Step 2: Convert to fraction form
    3,140.14/4,330.26 = 2,667.52/x
  3. Step 3: Cross multiply
    3,140.14x = 4,330.26 × 2,667.52
  4. Step 4: Simplify right side
    3,140.14x = 11,551,055.16
  5. Step 5: Solve for x
    x = 11,551,055.16/3,140.14
  6. Step 6: Final answer
    x = 3,678.52

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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.