Home / 1,664.24-2,501.22-1,543.56

Finding the Fourth Proportional to 1,664.24, 2,501.22 and 1,543.56

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Solution

The fourth proportional to 1,664.24, 2,501.22 and 1,543.56 is: 2,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.24 : 2,501.22 = 1,543.56 : x
  2. Step 2: Convert to fraction form
    1,664.24/2,501.22 = 1,543.56/x
  3. Step 3: Cross multiply
    1,664.24x = 2,501.22 × 1,543.56
  4. Step 4: Simplify right side
    1,664.24x = 3,860,783.14
  5. Step 5: Solve for x
    x = 3,860,783.14/1,664.24
  6. Step 6: Final answer
    x = 2,319.85

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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.