Home / 2,767.13-4,150.70-715.13

Finding the Fourth Proportional to 2,767.13, 4,150.70 and 715.13

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Solution

The fourth proportional to 2,767.13, 4,150.70 and 715.13 is: 1,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.13 : 4,150.70 = 715.13 : x
  2. Step 2: Convert to fraction form
    2,767.13/4,150.70 = 715.13/x
  3. Step 3: Cross multiply
    2,767.13x = 4,150.70 × 715.13
  4. Step 4: Simplify right side
    2,767.13x = 2,968,265.76
  5. Step 5: Solve for x
    x = 2,968,265.76/2,767.13
  6. Step 6: Final answer
    x = 1,072.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.