Home / 3,477.92-5,217.04-1,426.08

Finding the Fourth Proportional to 3,477.92, 5,217.04 and 1,426.08

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Solution

The fourth proportional to 3,477.92, 5,217.04 and 1,426.08 is: 2,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.92 : 5,217.04 = 1,426.08 : x
  2. Step 2: Convert to fraction form
    3,477.92/5,217.04 = 1,426.08/x
  3. Step 3: Cross multiply
    3,477.92x = 5,217.04 × 1,426.08
  4. Step 4: Simplify right side
    3,477.92x = 7,439,916.40
  5. Step 5: Solve for x
    x = 7,439,916.40/3,477.92
  6. Step 6: Final answer
    x = 2,139.19

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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.