Home / 1,869.06-2,816.25-1,551.54

Finding the Fourth Proportional to 1,869.06, 2,816.25 and 1,551.54

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Solution

The fourth proportional to 1,869.06, 2,816.25 and 1,551.54 is: 2,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.06 : 2,816.25 = 1,551.54 : x
  2. Step 2: Convert to fraction form
    1,869.06/2,816.25 = 1,551.54/x
  3. Step 3: Cross multiply
    1,869.06x = 2,816.25 × 1,551.54
  4. Step 4: Simplify right side
    1,869.06x = 4,369,524.53
  5. Step 5: Solve for x
    x = 4,369,524.53/1,869.06
  6. Step 6: Final answer
    x = 2,337.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.