Home / 2,777.02-4,165.36-927.98

Finding the Fourth Proportional to 2,777.02, 4,165.36 and 927.98

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Solution

The fourth proportional to 2,777.02, 4,165.36 and 927.98 is: 1,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.02 : 4,165.36 = 927.98 : x
  2. Step 2: Convert to fraction form
    2,777.02/4,165.36 = 927.98/x
  3. Step 3: Cross multiply
    2,777.02x = 4,165.36 × 927.98
  4. Step 4: Simplify right side
    2,777.02x = 3,865,363.25
  5. Step 5: Solve for x
    x = 3,865,363.25/2,777.02
  6. Step 6: Final answer
    x = 1,391.91

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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.