Home / 1,943.18-2,915.88-1,019.58

Finding the Fourth Proportional to 1,943.18, 2,915.88 and 1,019.58

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Solution

The fourth proportional to 1,943.18, 2,915.88 and 1,019.58 is: 1,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.18 : 2,915.88 = 1,019.58 : x
  2. Step 2: Convert to fraction form
    1,943.18/2,915.88 = 1,019.58/x
  3. Step 3: Cross multiply
    1,943.18x = 2,915.88 × 1,019.58
  4. Step 4: Simplify right side
    1,943.18x = 2,972,972.93
  5. Step 5: Solve for x
    x = 2,972,972.93/1,943.18
  6. Step 6: Final answer
    x = 1,529.95

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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.