Home / 2,924.21-4,406.04-2,415.60

Finding the Fourth Proportional to 2,924.21, 4,406.04 and 2,415.60

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Solution

The fourth proportional to 2,924.21, 4,406.04 and 2,415.60 is: 3,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.21 : 4,406.04 = 2,415.60 : x
  2. Step 2: Convert to fraction form
    2,924.21/4,406.04 = 2,415.60/x
  3. Step 3: Cross multiply
    2,924.21x = 4,406.04 × 2,415.60
  4. Step 4: Simplify right side
    2,924.21x = 10,643,218.15
  5. Step 5: Solve for x
    x = 10,643,218.15/2,924.21
  6. Step 6: Final answer
    x = 3,639.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.