Home / 3,483.36-4,806.80-1,911.56

Finding the Fourth Proportional to 3,483.36, 4,806.80 and 1,911.56

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Solution

The fourth proportional to 3,483.36, 4,806.80 and 1,911.56 is: 2,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.36 : 4,806.80 = 1,911.56 : x
  2. Step 2: Convert to fraction form
    3,483.36/4,806.80 = 1,911.56/x
  3. Step 3: Cross multiply
    3,483.36x = 4,806.80 × 1,911.56
  4. Step 4: Simplify right side
    3,483.36x = 9,188,486.61
  5. Step 5: Solve for x
    x = 9,188,486.61/3,483.36
  6. Step 6: Final answer
    x = 2,637.82

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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.