Home / 1,570.61-2,351.45-1,199.98

Finding the Fourth Proportional to 1,570.61, 2,351.45 and 1,199.98

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Solution

The fourth proportional to 1,570.61, 2,351.45 and 1,199.98 is: 1,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.61 : 2,351.45 = 1,199.98 : x
  2. Step 2: Convert to fraction form
    1,570.61/2,351.45 = 1,199.98/x
  3. Step 3: Cross multiply
    1,570.61x = 2,351.45 × 1,199.98
  4. Step 4: Simplify right side
    1,570.61x = 2,821,681.09
  5. Step 5: Solve for x
    x = 2,821,681.09/1,570.61
  6. Step 6: Final answer
    x = 1,796.56

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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.