Home / 2,807.44-3,874.05-1,548.40

Finding the Fourth Proportional to 2,807.44, 3,874.05 and 1,548.40

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Solution

The fourth proportional to 2,807.44, 3,874.05 and 1,548.40 is: 2,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.44 : 3,874.05 = 1,548.40 : x
  2. Step 2: Convert to fraction form
    2,807.44/3,874.05 = 1,548.40/x
  3. Step 3: Cross multiply
    2,807.44x = 3,874.05 × 1,548.40
  4. Step 4: Simplify right side
    2,807.44x = 5,998,579.02
  5. Step 5: Solve for x
    x = 5,998,579.02/2,807.44
  6. Step 6: Final answer
    x = 2,136.67

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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.