Home / 2,637.36-3,958.92-1,543.86

Finding the Fourth Proportional to 2,637.36, 3,958.92 and 1,543.86

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Solution

The fourth proportional to 2,637.36, 3,958.92 and 1,543.86 is: 2,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.36 : 3,958.92 = 1,543.86 : x
  2. Step 2: Convert to fraction form
    2,637.36/3,958.92 = 1,543.86/x
  3. Step 3: Cross multiply
    2,637.36x = 3,958.92 × 1,543.86
  4. Step 4: Simplify right side
    2,637.36x = 6,112,018.23
  5. Step 5: Solve for x
    x = 6,112,018.23/2,637.36
  6. Step 6: Final answer
    x = 2,317.48

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1.5x scale

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.