Home / 2,406.87-3,320.69-1,344.45

Finding the Fourth Proportional to 2,406.87, 3,320.69 and 1,344.45

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Solution

The fourth proportional to 2,406.87, 3,320.69 and 1,344.45 is: 1,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.87 : 3,320.69 = 1,344.45 : x
  2. Step 2: Convert to fraction form
    2,406.87/3,320.69 = 1,344.45/x
  3. Step 3: Cross multiply
    2,406.87x = 3,320.69 × 1,344.45
  4. Step 4: Simplify right side
    2,406.87x = 4,464,494.95
  5. Step 5: Solve for x
    x = 4,464,494.95/2,406.87
  6. Step 6: Final answer
    x = 1,854.90

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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.