Home / 1,568.98-2,148.70-1,548.47

Finding the Fourth Proportional to 1,568.98, 2,148.70 and 1,548.47

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Solution

The fourth proportional to 1,568.98, 2,148.70 and 1,548.47 is: 2,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.98 : 2,148.70 = 1,548.47 : x
  2. Step 2: Convert to fraction form
    1,568.98/2,148.70 = 1,548.47/x
  3. Step 3: Cross multiply
    1,568.98x = 2,148.70 × 1,548.47
  4. Step 4: Simplify right side
    1,568.98x = 3,327,197.49
  5. Step 5: Solve for x
    x = 3,327,197.49/1,568.98
  6. Step 6: Final answer
    x = 2,120.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.