Home / 2,001.15-2,762.24-1,338.15

Finding the Fourth Proportional to 2,001.15, 2,762.24 and 1,338.15

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Solution

The fourth proportional to 2,001.15, 2,762.24 and 1,338.15 is: 1,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.15 : 2,762.24 = 1,338.15 : x
  2. Step 2: Convert to fraction form
    2,001.15/2,762.24 = 1,338.15/x
  3. Step 3: Cross multiply
    2,001.15x = 2,762.24 × 1,338.15
  4. Step 4: Simplify right side
    2,001.15x = 3,696,284.77
  5. Step 5: Solve for x
    x = 3,696,284.77/2,001.15
  6. Step 6: Final answer
    x = 1,847.08

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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.