Home / 3,077.53-4,617.65-1,908.38

Finding the Fourth Proportional to 3,077.53, 4,617.65 and 1,908.38

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Solution

The fourth proportional to 3,077.53, 4,617.65 and 1,908.38 is: 2,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.53 : 4,617.65 = 1,908.38 : x
  2. Step 2: Convert to fraction form
    3,077.53/4,617.65 = 1,908.38/x
  3. Step 3: Cross multiply
    3,077.53x = 4,617.65 × 1,908.38
  4. Step 4: Simplify right side
    3,077.53x = 8,812,247.22
  5. Step 5: Solve for x
    x = 8,812,247.22/3,077.53
  6. Step 6: Final answer
    x = 2,863.42

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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.