Home / 1,927.66-2,658.51-1,554.50

Finding the Fourth Proportional to 1,927.66, 2,658.51 and 1,554.50

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Solution

The fourth proportional to 1,927.66, 2,658.51 and 1,554.50 is: 2,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.66 : 2,658.51 = 1,554.50 : x
  2. Step 2: Convert to fraction form
    1,927.66/2,658.51 = 1,554.50/x
  3. Step 3: Cross multiply
    1,927.66x = 2,658.51 × 1,554.50
  4. Step 4: Simplify right side
    1,927.66x = 4,132,653.80
  5. Step 5: Solve for x
    x = 4,132,653.80/1,927.66
  6. Step 6: Final answer
    x = 2,143.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.