Home / 2,389.44-3,580.67-1,697.45

Finding the Fourth Proportional to 2,389.44, 3,580.67 and 1,697.45

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Solution

The fourth proportional to 2,389.44, 3,580.67 and 1,697.45 is: 2,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.44 : 3,580.67 = 1,697.45 : x
  2. Step 2: Convert to fraction form
    2,389.44/3,580.67 = 1,697.45/x
  3. Step 3: Cross multiply
    2,389.44x = 3,580.67 × 1,697.45
  4. Step 4: Simplify right side
    2,389.44x = 6,078,021.49
  5. Step 5: Solve for x
    x = 6,078,021.49/2,389.44
  6. Step 6: Final answer
    x = 2,543.70

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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.