Home / 1,885.74-2,827.71-1,155.66

Finding the Fourth Proportional to 1,885.74, 2,827.71 and 1,155.66

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Solution

The fourth proportional to 1,885.74, 2,827.71 and 1,155.66 is: 1,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.74 : 2,827.71 = 1,155.66 : x
  2. Step 2: Convert to fraction form
    1,885.74/2,827.71 = 1,155.66/x
  3. Step 3: Cross multiply
    1,885.74x = 2,827.71 × 1,155.66
  4. Step 4: Simplify right side
    1,885.74x = 3,267,871.34
  5. Step 5: Solve for x
    x = 3,267,871.34/1,885.74
  6. Step 6: Final answer
    x = 1,732.94

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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.