Home / 3,406.79-5,110.22-1,762.36

Finding the Fourth Proportional to 3,406.79, 5,110.22 and 1,762.36

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Solution

The fourth proportional to 3,406.79, 5,110.22 and 1,762.36 is: 2,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.79 : 5,110.22 = 1,762.36 : x
  2. Step 2: Convert to fraction form
    3,406.79/5,110.22 = 1,762.36/x
  3. Step 3: Cross multiply
    3,406.79x = 5,110.22 × 1,762.36
  4. Step 4: Simplify right side
    3,406.79x = 9,006,038.95
  5. Step 5: Solve for x
    x = 9,006,038.95/3,406.79
  6. Step 6: Final answer
    x = 2,643.55

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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.