Home / 2,001.57-2,762.97-1,338.18

Finding the Fourth Proportional to 2,001.57, 2,762.97 and 1,338.18

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Solution

The fourth proportional to 2,001.57, 2,762.97 and 1,338.18 is: 1,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.57 : 2,762.97 = 1,338.18 : x
  2. Step 2: Convert to fraction form
    2,001.57/2,762.97 = 1,338.18/x
  3. Step 3: Cross multiply
    2,001.57x = 2,762.97 × 1,338.18
  4. Step 4: Simplify right side
    2,001.57x = 3,697,351.19
  5. Step 5: Solve for x
    x = 3,697,351.19/2,001.57
  6. Step 6: Final answer
    x = 1,847.23

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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.