Home / 2,406.70-3,612.35-1,313.38

Finding the Fourth Proportional to 2,406.70, 3,612.35 and 1,313.38

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Solution

The fourth proportional to 2,406.70, 3,612.35 and 1,313.38 is: 1,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.70 : 3,612.35 = 1,313.38 : x
  2. Step 2: Convert to fraction form
    2,406.70/3,612.35 = 1,313.38/x
  3. Step 3: Cross multiply
    2,406.70x = 3,612.35 × 1,313.38
  4. Step 4: Simplify right side
    2,406.70x = 4,744,388.24
  5. Step 5: Solve for x
    x = 4,744,388.24/2,406.70
  6. Step 6: Final answer
    x = 1,971.33

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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.