Home / 3,448.16-4,760.40-2,639.09

Finding the Fourth Proportional to 3,448.16, 4,760.40 and 2,639.09

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Solution

The fourth proportional to 3,448.16, 4,760.40 and 2,639.09 is: 3,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.16 : 4,760.40 = 2,639.09 : x
  2. Step 2: Convert to fraction form
    3,448.16/4,760.40 = 2,639.09/x
  3. Step 3: Cross multiply
    3,448.16x = 4,760.40 × 2,639.09
  4. Step 4: Simplify right side
    3,448.16x = 12,563,124.04
  5. Step 5: Solve for x
    x = 12,563,124.04/3,448.16
  6. Step 6: Final answer
    x = 3,643.43

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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.