Home / 2,484.93-3,428.08-1,988.27

Finding the Fourth Proportional to 2,484.93, 3,428.08 and 1,988.27

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Solution

The fourth proportional to 2,484.93, 3,428.08 and 1,988.27 is: 2,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.93 : 3,428.08 = 1,988.27 : x
  2. Step 2: Convert to fraction form
    2,484.93/3,428.08 = 1,988.27/x
  3. Step 3: Cross multiply
    2,484.93x = 3,428.08 × 1,988.27
  4. Step 4: Simplify right side
    2,484.93x = 6,815,948.62
  5. Step 5: Solve for x
    x = 6,815,948.62/2,484.93
  6. Step 6: Final answer
    x = 2,742.91

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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.