Home / 1,961.03-2,705.85-1,332.06

Finding the Fourth Proportional to 1,961.03, 2,705.85 and 1,332.06

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Solution

The fourth proportional to 1,961.03, 2,705.85 and 1,332.06 is: 1,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.03 : 2,705.85 = 1,332.06 : x
  2. Step 2: Convert to fraction form
    1,961.03/2,705.85 = 1,332.06/x
  3. Step 3: Cross multiply
    1,961.03x = 2,705.85 × 1,332.06
  4. Step 4: Simplify right side
    1,961.03x = 3,604,354.55
  5. Step 5: Solve for x
    x = 3,604,354.55/1,961.03
  6. Step 6: Final answer
    x = 1,838.00

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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.