Home / 3,298.20-4,950.90-1,840.20

Finding the Fourth Proportional to 3,298.20, 4,950.90 and 1,840.20

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Solution

The fourth proportional to 3,298.20, 4,950.90 and 1,840.20 is: 2,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.20 : 4,950.90 = 1,840.20 : x
  2. Step 2: Convert to fraction form
    3,298.20/4,950.90 = 1,840.20/x
  3. Step 3: Cross multiply
    3,298.20x = 4,950.90 × 1,840.20
  4. Step 4: Simplify right side
    3,298.20x = 9,110,646.18
  5. Step 5: Solve for x
    x = 9,110,646.18/3,298.20
  6. Step 6: Final answer
    x = 2,762.31

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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.