Home / 2,910.93-4,368.19-1,871.59

Finding the Fourth Proportional to 2,910.93, 4,368.19 and 1,871.59

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Solution

The fourth proportional to 2,910.93, 4,368.19 and 1,871.59 is: 2,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.93 : 4,368.19 = 1,871.59 : x
  2. Step 2: Convert to fraction form
    2,910.93/4,368.19 = 1,871.59/x
  3. Step 3: Cross multiply
    2,910.93x = 4,368.19 × 1,871.59
  4. Step 4: Simplify right side
    2,910.93x = 8,175,477.88
  5. Step 5: Solve for x
    x = 8,175,477.88/2,910.93
  6. Step 6: Final answer
    x = 2,808.54

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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.