Home / 3,923.16-5,878.10-1,946.14

Finding the Fourth Proportional to 3,923.16, 5,878.10 and 1,946.14

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Solution

The fourth proportional to 3,923.16, 5,878.10 and 1,946.14 is: 2,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.16 : 5,878.10 = 1,946.14 : x
  2. Step 2: Convert to fraction form
    3,923.16/5,878.10 = 1,946.14/x
  3. Step 3: Cross multiply
    3,923.16x = 5,878.10 × 1,946.14
  4. Step 4: Simplify right side
    3,923.16x = 11,439,605.53
  5. Step 5: Solve for x
    x = 11,439,605.53/3,923.16
  6. Step 6: Final answer
    x = 2,915.92

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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.