Home / 3,355-4,629.90-1,862.92

Finding the Fourth Proportional to 3,355, 4,629.90 and 1,862.92

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Solution

The fourth proportional to 3,355, 4,629.90 and 1,862.92 is: 2,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355 : 4,629.90 = 1,862.92 : x
  2. Step 2: Convert to fraction form
    3,355/4,629.90 = 1,862.92/x
  3. Step 3: Cross multiply
    3,355x = 4,629.90 × 1,862.92
  4. Step 4: Simplify right side
    3,355x = 8,625,133.31
  5. Step 5: Solve for x
    x = 8,625,133.31/3,355
  6. Step 6: Final answer
    x = 2,570.83

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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.