Home / 1,335.87-2,001.65-1,092.51

Finding the Fourth Proportional to 1,335.87, 2,001.65 and 1,092.51

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Solution

The fourth proportional to 1,335.87, 2,001.65 and 1,092.51 is: 1,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.87 : 2,001.65 = 1,092.51 : x
  2. Step 2: Convert to fraction form
    1,335.87/2,001.65 = 1,092.51/x
  3. Step 3: Cross multiply
    1,335.87x = 2,001.65 × 1,092.51
  4. Step 4: Simplify right side
    1,335.87x = 2,186,817.18
  5. Step 5: Solve for x
    x = 2,186,817.18/1,335.87
  6. Step 6: Final answer
    x = 1,637.00

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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.