Home / 3,918.92-5,410.62-2,594.40

Finding the Fourth Proportional to 3,918.92, 5,410.62 and 2,594.40

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Solution

The fourth proportional to 3,918.92, 5,410.62 and 2,594.40 is: 3,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.92 : 5,410.62 = 2,594.40 : x
  2. Step 2: Convert to fraction form
    3,918.92/5,410.62 = 2,594.40/x
  3. Step 3: Cross multiply
    3,918.92x = 5,410.62 × 2,594.40
  4. Step 4: Simplify right side
    3,918.92x = 14,037,312.53
  5. Step 5: Solve for x
    x = 14,037,312.53/3,918.92
  6. Step 6: Final answer
    x = 3,581.94

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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.