Home / 3,430.48-5,146.51-1,763.97

Finding the Fourth Proportional to 3,430.48, 5,146.51 and 1,763.97

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Solution

The fourth proportional to 3,430.48, 5,146.51 and 1,763.97 is: 2,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.48 : 5,146.51 = 1,763.97 : x
  2. Step 2: Convert to fraction form
    3,430.48/5,146.51 = 1,763.97/x
  3. Step 3: Cross multiply
    3,430.48x = 5,146.51 × 1,763.97
  4. Step 4: Simplify right side
    3,430.48x = 9,078,299.13
  5. Step 5: Solve for x
    x = 9,078,299.13/3,430.48
  6. Step 6: Final answer
    x = 2,646.37

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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.