Home / 1,935.18-2,670.84-1,306.89

Finding the Fourth Proportional to 1,935.18, 2,670.84 and 1,306.89

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Solution

The fourth proportional to 1,935.18, 2,670.84 and 1,306.89 is: 1,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.18 : 2,670.84 = 1,306.89 : x
  2. Step 2: Convert to fraction form
    1,935.18/2,670.84 = 1,306.89/x
  3. Step 3: Cross multiply
    1,935.18x = 2,670.84 × 1,306.89
  4. Step 4: Simplify right side
    1,935.18x = 3,490,494.09
  5. Step 5: Solve for x
    x = 3,490,494.09/1,935.18
  6. Step 6: Final answer
    x = 1,803.71

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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.