Home / 3,406.08-4,700.50-1,914.28

Finding the Fourth Proportional to 3,406.08, 4,700.50 and 1,914.28

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Solution

The fourth proportional to 3,406.08, 4,700.50 and 1,914.28 is: 2,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.08 : 4,700.50 = 1,914.28 : x
  2. Step 2: Convert to fraction form
    3,406.08/4,700.50 = 1,914.28/x
  3. Step 3: Cross multiply
    3,406.08x = 4,700.50 × 1,914.28
  4. Step 4: Simplify right side
    3,406.08x = 8,998,073.14
  5. Step 5: Solve for x
    x = 8,998,073.14/3,406.08
  6. Step 6: Final answer
    x = 2,641.77

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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.