Home / 2,942.57-4,060.63-1,683.56

Finding the Fourth Proportional to 2,942.57, 4,060.63 and 1,683.56

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Solution

The fourth proportional to 2,942.57, 4,060.63 and 1,683.56 is: 2,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.57 : 4,060.63 = 1,683.56 : x
  2. Step 2: Convert to fraction form
    2,942.57/4,060.63 = 1,683.56/x
  3. Step 3: Cross multiply
    2,942.57x = 4,060.63 × 1,683.56
  4. Step 4: Simplify right side
    2,942.57x = 6,836,314.24
  5. Step 5: Solve for x
    x = 6,836,314.24/2,942.57
  6. Step 6: Final answer
    x = 2,323.25

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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.