Home / 2,927.02-4,039.21-1,600.75

Finding the Fourth Proportional to 2,927.02, 4,039.21 and 1,600.75

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Solution

The fourth proportional to 2,927.02, 4,039.21 and 1,600.75 is: 2,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.02 : 4,039.21 = 1,600.75 : x
  2. Step 2: Convert to fraction form
    2,927.02/4,039.21 = 1,600.75/x
  3. Step 3: Cross multiply
    2,927.02x = 4,039.21 × 1,600.75
  4. Step 4: Simplify right side
    2,927.02x = 6,465,765.41
  5. Step 5: Solve for x
    x = 6,465,765.41/2,927.02
  6. Step 6: Final answer
    x = 2,208.99

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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.