Home / 4,178.02-5,765.07-2,315.02

Finding the Fourth Proportional to 4,178.02, 5,765.07 and 2,315.02

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Solution

The fourth proportional to 4,178.02, 5,765.07 and 2,315.02 is: 3,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.02 : 5,765.07 = 2,315.02 : x
  2. Step 2: Convert to fraction form
    4,178.02/5,765.07 = 2,315.02/x
  3. Step 3: Cross multiply
    4,178.02x = 5,765.07 × 2,315.02
  4. Step 4: Simplify right side
    4,178.02x = 13,346,252.35
  5. Step 5: Solve for x
    x = 13,346,252.35/4,178.02
  6. Step 6: Final answer
    x = 3,194.40

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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.