Home / 3,407.09-5,113.43-1,764.14

Finding the Fourth Proportional to 3,407.09, 5,113.43 and 1,764.14

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Solution

The fourth proportional to 3,407.09, 5,113.43 and 1,764.14 is: 2,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.09 : 5,113.43 = 1,764.14 : x
  2. Step 2: Convert to fraction form
    3,407.09/5,113.43 = 1,764.14/x
  3. Step 3: Cross multiply
    3,407.09x = 5,113.43 × 1,764.14
  4. Step 4: Simplify right side
    3,407.09x = 9,020,806.40
  5. Step 5: Solve for x
    x = 9,020,806.40/3,407.09
  6. Step 6: Final answer
    x = 2,647.66

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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.