Home / 1,599.67-2,391.06-1,389.79

Finding the Fourth Proportional to 1,599.67, 2,391.06 and 1,389.79

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Solution

The fourth proportional to 1,599.67, 2,391.06 and 1,389.79 is: 2,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.67 : 2,391.06 = 1,389.79 : x
  2. Step 2: Convert to fraction form
    1,599.67/2,391.06 = 1,389.79/x
  3. Step 3: Cross multiply
    1,599.67x = 2,391.06 × 1,389.79
  4. Step 4: Simplify right side
    1,599.67x = 3,323,052.37
  5. Step 5: Solve for x
    x = 3,323,052.37/1,599.67
  6. Step 6: Final answer
    x = 2,077.34

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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.