Home / 2,885.37-3,981.60-1,626.36

Finding the Fourth Proportional to 2,885.37, 3,981.60 and 1,626.36

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Solution

The fourth proportional to 2,885.37, 3,981.60 and 1,626.36 is: 2,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.37 : 3,981.60 = 1,626.36 : x
  2. Step 2: Convert to fraction form
    2,885.37/3,981.60 = 1,626.36/x
  3. Step 3: Cross multiply
    2,885.37x = 3,981.60 × 1,626.36
  4. Step 4: Simplify right side
    2,885.37x = 6,475,514.98
  5. Step 5: Solve for x
    x = 6,475,514.98/2,885.37
  6. Step 6: Final answer
    x = 2,244.26

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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.