Home / 1,335.96-2,001.24-1,256.04

Finding the Fourth Proportional to 1,335.96, 2,001.24 and 1,256.04

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Solution

The fourth proportional to 1,335.96, 2,001.24 and 1,256.04 is: 1,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.96 : 2,001.24 = 1,256.04 : x
  2. Step 2: Convert to fraction form
    1,335.96/2,001.24 = 1,256.04/x
  3. Step 3: Cross multiply
    1,335.96x = 2,001.24 × 1,256.04
  4. Step 4: Simplify right side
    1,335.96x = 2,513,637.49
  5. Step 5: Solve for x
    x = 2,513,637.49/1,335.96
  6. Step 6: Final answer
    x = 1,881.52

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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.