Home / 2,871.33-4,307.49-1,484.28

Finding the Fourth Proportional to 2,871.33, 4,307.49 and 1,484.28

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Solution

The fourth proportional to 2,871.33, 4,307.49 and 1,484.28 is: 2,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.33 : 4,307.49 = 1,484.28 : x
  2. Step 2: Convert to fraction form
    2,871.33/4,307.49 = 1,484.28/x
  3. Step 3: Cross multiply
    2,871.33x = 4,307.49 × 1,484.28
  4. Step 4: Simplify right side
    2,871.33x = 6,393,521.26
  5. Step 5: Solve for x
    x = 6,393,521.26/2,871.33
  6. Step 6: Final answer
    x = 2,226.68

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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.