Home / 3,355.07-4,629.77-1,862.98

Finding the Fourth Proportional to 3,355.07, 4,629.77 and 1,862.98

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Solution

The fourth proportional to 3,355.07, 4,629.77 and 1,862.98 is: 2,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.07 : 4,629.77 = 1,862.98 : x
  2. Step 2: Convert to fraction form
    3,355.07/4,629.77 = 1,862.98/x
  3. Step 3: Cross multiply
    3,355.07x = 4,629.77 × 1,862.98
  4. Step 4: Simplify right side
    3,355.07x = 8,625,168.91
  5. Step 5: Solve for x
    x = 8,625,168.91/3,355.07
  6. Step 6: Final answer
    x = 2,570.79

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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.