Home / 3,826.40-5,280.24-2,410.40

Finding the Fourth Proportional to 3,826.40, 5,280.24 and 2,410.40

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Solution

The fourth proportional to 3,826.40, 5,280.24 and 2,410.40 is: 3,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.40 : 5,280.24 = 2,410.40 : x
  2. Step 2: Convert to fraction form
    3,826.40/5,280.24 = 2,410.40/x
  3. Step 3: Cross multiply
    3,826.40x = 5,280.24 × 2,410.40
  4. Step 4: Simplify right side
    3,826.40x = 12,727,490.50
  5. Step 5: Solve for x
    x = 12,727,490.50/3,826.40
  6. Step 6: Final answer
    x = 3,326.23

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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.