Home / 2,402.46-3,316.70-1,660.40

Finding the Fourth Proportional to 2,402.46, 3,316.70 and 1,660.40

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Solution

The fourth proportional to 2,402.46, 3,316.70 and 1,660.40 is: 2,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.46 : 3,316.70 = 1,660.40 : x
  2. Step 2: Convert to fraction form
    2,402.46/3,316.70 = 1,660.40/x
  3. Step 3: Cross multiply
    2,402.46x = 3,316.70 × 1,660.40
  4. Step 4: Simplify right side
    2,402.46x = 5,507,039.35
  5. Step 5: Solve for x
    x = 5,507,039.35/2,402.46
  6. Step 6: Final answer
    x = 2,292.25

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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.