Home / 3,899.18-5,845.08-1,300.26

Finding the Fourth Proportional to 3,899.18, 5,845.08 and 1,300.26

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Solution

The fourth proportional to 3,899.18, 5,845.08 and 1,300.26 is: 1,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.18 : 5,845.08 = 1,300.26 : x
  2. Step 2: Convert to fraction form
    3,899.18/5,845.08 = 1,300.26/x
  3. Step 3: Cross multiply
    3,899.18x = 5,845.08 × 1,300.26
  4. Step 4: Simplify right side
    3,899.18x = 7,600,123.72
  5. Step 5: Solve for x
    x = 7,600,123.72/3,899.18
  6. Step 6: Final answer
    x = 1,949.16

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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.