Home / 2,942.59-4,412.46-1,557.49

Finding the Fourth Proportional to 2,942.59, 4,412.46 and 1,557.49

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Solution

The fourth proportional to 2,942.59, 4,412.46 and 1,557.49 is: 2,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.59 : 4,412.46 = 1,557.49 : x
  2. Step 2: Convert to fraction form
    2,942.59/4,412.46 = 1,557.49/x
  3. Step 3: Cross multiply
    2,942.59x = 4,412.46 × 1,557.49
  4. Step 4: Simplify right side
    2,942.59x = 6,872,362.33
  5. Step 5: Solve for x
    x = 6,872,362.33/2,942.59
  6. Step 6: Final answer
    x = 2,335.48

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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.