Home / 1,854.38-2,771.33-1,487.45

Finding the Fourth Proportional to 1,854.38, 2,771.33 and 1,487.45

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Solution

The fourth proportional to 1,854.38, 2,771.33 and 1,487.45 is: 2,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.38 : 2,771.33 = 1,487.45 : x
  2. Step 2: Convert to fraction form
    1,854.38/2,771.33 = 1,487.45/x
  3. Step 3: Cross multiply
    1,854.38x = 2,771.33 × 1,487.45
  4. Step 4: Simplify right side
    1,854.38x = 4,122,193.51
  5. Step 5: Solve for x
    x = 4,122,193.51/1,854.38
  6. Step 6: Final answer
    x = 2,222.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.