Home / 3,336.50-5,001.51-1,389.26

Finding the Fourth Proportional to 3,336.50, 5,001.51 and 1,389.26

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Solution

The fourth proportional to 3,336.50, 5,001.51 and 1,389.26 is: 2,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.50 : 5,001.51 = 1,389.26 : x
  2. Step 2: Convert to fraction form
    3,336.50/5,001.51 = 1,389.26/x
  3. Step 3: Cross multiply
    3,336.50x = 5,001.51 × 1,389.26
  4. Step 4: Simplify right side
    3,336.50x = 6,948,415.50
  5. Step 5: Solve for x
    x = 6,948,415.50/3,336.50
  6. Step 6: Final answer
    x = 2,082.54

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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.