Home / 1,961.74-2,938.65-1,036.18

Finding the Fourth Proportional to 1,961.74, 2,938.65 and 1,036.18

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Solution

The fourth proportional to 1,961.74, 2,938.65 and 1,036.18 is: 1,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.74 : 2,938.65 = 1,036.18 : x
  2. Step 2: Convert to fraction form
    1,961.74/2,938.65 = 1,036.18/x
  3. Step 3: Cross multiply
    1,961.74x = 2,938.65 × 1,036.18
  4. Step 4: Simplify right side
    1,961.74x = 3,044,970.36
  5. Step 5: Solve for x
    x = 3,044,970.36/1,961.74
  6. Step 6: Final answer
    x = 1,552.18

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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.