Home / 2,487.47-3,727.35-1,707.84

Finding the Fourth Proportional to 2,487.47, 3,727.35 and 1,707.84

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Solution

The fourth proportional to 2,487.47, 3,727.35 and 1,707.84 is: 2,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.47 : 3,727.35 = 1,707.84 : x
  2. Step 2: Convert to fraction form
    2,487.47/3,727.35 = 1,707.84/x
  3. Step 3: Cross multiply
    2,487.47x = 3,727.35 × 1,707.84
  4. Step 4: Simplify right side
    2,487.47x = 6,365,717.42
  5. Step 5: Solve for x
    x = 6,365,717.42/2,487.47
  6. Step 6: Final answer
    x = 2,559.12

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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.