Home / 3,427.02-4,727.43-2,165.76

Finding the Fourth Proportional to 3,427.02, 4,727.43 and 2,165.76

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Solution

The fourth proportional to 3,427.02, 4,727.43 and 2,165.76 is: 2,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.02 : 4,727.43 = 2,165.76 : x
  2. Step 2: Convert to fraction form
    3,427.02/4,727.43 = 2,165.76/x
  3. Step 3: Cross multiply
    3,427.02x = 4,727.43 × 2,165.76
  4. Step 4: Simplify right side
    3,427.02x = 10,238,478.80
  5. Step 5: Solve for x
    x = 10,238,478.80/3,427.02
  6. Step 6: Final answer
    x = 2,987.57

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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.