Home / 3,033.92-4,187.90-1,855.10

Finding the Fourth Proportional to 3,033.92, 4,187.90 and 1,855.10

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Solution

The fourth proportional to 3,033.92, 4,187.90 and 1,855.10 is: 2,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.92 : 4,187.90 = 1,855.10 : x
  2. Step 2: Convert to fraction form
    3,033.92/4,187.90 = 1,855.10/x
  3. Step 3: Cross multiply
    3,033.92x = 4,187.90 × 1,855.10
  4. Step 4: Simplify right side
    3,033.92x = 7,768,973.29
  5. Step 5: Solve for x
    x = 7,768,973.29/3,033.92
  6. Step 6: Final answer
    x = 2,560.70

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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.