Home / 2,776.98-4,166.07-927.93

Finding the Fourth Proportional to 2,776.98, 4,166.07 and 927.93

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Solution

The fourth proportional to 2,776.98, 4,166.07 and 927.93 is: 1,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.98 : 4,166.07 = 927.93 : x
  2. Step 2: Convert to fraction form
    2,776.98/4,166.07 = 927.93/x
  3. Step 3: Cross multiply
    2,776.98x = 4,166.07 × 927.93
  4. Step 4: Simplify right side
    2,776.98x = 3,865,821.34
  5. Step 5: Solve for x
    x = 3,865,821.34/2,776.98
  6. Step 6: Final answer
    x = 1,392.10

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1.5x scale

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.