Home / 2,637.29-3,638.54-1,693.01

Finding the Fourth Proportional to 2,637.29, 3,638.54 and 1,693.01

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Solution

The fourth proportional to 2,637.29, 3,638.54 and 1,693.01 is: 2,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.29 : 3,638.54 = 1,693.01 : x
  2. Step 2: Convert to fraction form
    2,637.29/3,638.54 = 1,693.01/x
  3. Step 3: Cross multiply
    2,637.29x = 3,638.54 × 1,693.01
  4. Step 4: Simplify right side
    2,637.29x = 6,160,097.93
  5. Step 5: Solve for x
    x = 6,160,097.93/2,637.29
  6. Step 6: Final answer
    x = 2,335.77

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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.