Home / 2,406.68-3,321.18-1,358.96

Finding the Fourth Proportional to 2,406.68, 3,321.18 and 1,358.96

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Solution

The fourth proportional to 2,406.68, 3,321.18 and 1,358.96 is: 1,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.68 : 3,321.18 = 1,358.96 : x
  2. Step 2: Convert to fraction form
    2,406.68/3,321.18 = 1,358.96/x
  3. Step 3: Cross multiply
    2,406.68x = 3,321.18 × 1,358.96
  4. Step 4: Simplify right side
    2,406.68x = 4,513,350.77
  5. Step 5: Solve for x
    x = 4,513,350.77/2,406.68
  6. Step 6: Final answer
    x = 1,875.34

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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.