Home / 1,559.97-2,328.01-1,393.57

Finding the Fourth Proportional to 1,559.97, 2,328.01 and 1,393.57

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Solution

The fourth proportional to 1,559.97, 2,328.01 and 1,393.57 is: 2,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.97 : 2,328.01 = 1,393.57 : x
  2. Step 2: Convert to fraction form
    1,559.97/2,328.01 = 1,393.57/x
  3. Step 3: Cross multiply
    1,559.97x = 2,328.01 × 1,393.57
  4. Step 4: Simplify right side
    1,559.97x = 3,244,237.11
  5. Step 5: Solve for x
    x = 3,244,237.11/1,559.97
  6. Step 6: Final answer
    x = 2,079.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.