Home / 2,001.33-2,762.01-1,215.36

Finding the Fourth Proportional to 2,001.33, 2,762.01 and 1,215.36

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Solution

The fourth proportional to 2,001.33, 2,762.01 and 1,215.36 is: 1,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.33 : 2,762.01 = 1,215.36 : x
  2. Step 2: Convert to fraction form
    2,001.33/2,762.01 = 1,215.36/x
  3. Step 3: Cross multiply
    2,001.33x = 2,762.01 × 1,215.36
  4. Step 4: Simplify right side
    2,001.33x = 3,356,836.47
  5. Step 5: Solve for x
    x = 3,356,836.47/2,001.33
  6. Step 6: Final answer
    x = 1,677.30

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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.