Home / 2,342.50-3,516.45-1,190.68

Finding the Fourth Proportional to 2,342.50, 3,516.45 and 1,190.68

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Solution

The fourth proportional to 2,342.50, 3,516.45 and 1,190.68 is: 1,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.50 : 3,516.45 = 1,190.68 : x
  2. Step 2: Convert to fraction form
    2,342.50/3,516.45 = 1,190.68/x
  3. Step 3: Cross multiply
    2,342.50x = 3,516.45 × 1,190.68
  4. Step 4: Simplify right side
    2,342.50x = 4,186,966.69
  5. Step 5: Solve for x
    x = 4,186,966.69/2,342.50
  6. Step 6: Final answer
    x = 1,787.39

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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.