Home / 3,750.74-5,175.67-2,072.11

Finding the Fourth Proportional to 3,750.74, 5,175.67 and 2,072.11

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Solution

The fourth proportional to 3,750.74, 5,175.67 and 2,072.11 is: 2,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.74 : 5,175.67 = 2,072.11 : x
  2. Step 2: Convert to fraction form
    3,750.74/5,175.67 = 2,072.11/x
  3. Step 3: Cross multiply
    3,750.74x = 5,175.67 × 2,072.11
  4. Step 4: Simplify right side
    3,750.74x = 10,724,547.21
  5. Step 5: Solve for x
    x = 10,724,547.21/3,750.74
  6. Step 6: Final answer
    x = 2,859.32

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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.