Home / 2,370.91-3,261.45-1,927.84

Finding the Fourth Proportional to 2,370.91, 3,261.45 and 1,927.84

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Solution

The fourth proportional to 2,370.91, 3,261.45 and 1,927.84 is: 2,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.91 : 3,261.45 = 1,927.84 : x
  2. Step 2: Convert to fraction form
    2,370.91/3,261.45 = 1,927.84/x
  3. Step 3: Cross multiply
    2,370.91x = 3,261.45 × 1,927.84
  4. Step 4: Simplify right side
    2,370.91x = 6,287,553.77
  5. Step 5: Solve for x
    x = 6,287,553.77/2,370.91
  6. Step 6: Final answer
    x = 2,651.96

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1.5x scale

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.