Home / 3,476.15-5,215.85-1,625.01

Finding the Fourth Proportional to 3,476.15, 5,215.85 and 1,625.01

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Solution

The fourth proportional to 3,476.15, 5,215.85 and 1,625.01 is: 2,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.15 : 5,215.85 = 1,625.01 : x
  2. Step 2: Convert to fraction form
    3,476.15/5,215.85 = 1,625.01/x
  3. Step 3: Cross multiply
    3,476.15x = 5,215.85 × 1,625.01
  4. Step 4: Simplify right side
    3,476.15x = 8,475,808.41
  5. Step 5: Solve for x
    x = 8,475,808.41/3,476.15
  6. Step 6: Final answer
    x = 2,438.27

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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.