Home / 1,938.26-2,676.98-1,501.45

Finding the Fourth Proportional to 1,938.26, 2,676.98 and 1,501.45

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Solution

The fourth proportional to 1,938.26, 2,676.98 and 1,501.45 is: 2,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.26 : 2,676.98 = 1,501.45 : x
  2. Step 2: Convert to fraction form
    1,938.26/2,676.98 = 1,501.45/x
  3. Step 3: Cross multiply
    1,938.26x = 2,676.98 × 1,501.45
  4. Step 4: Simplify right side
    1,938.26x = 4,019,351.62
  5. Step 5: Solve for x
    x = 4,019,351.62/1,938.26
  6. Step 6: Final answer
    x = 2,073.69

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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.