Home / 2,637.09-3,953.70-1,155.96

Finding the Fourth Proportional to 2,637.09, 3,953.70 and 1,155.96

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Solution

The fourth proportional to 2,637.09, 3,953.70 and 1,155.96 is: 1,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.09 : 3,953.70 = 1,155.96 : x
  2. Step 2: Convert to fraction form
    2,637.09/3,953.70 = 1,155.96/x
  3. Step 3: Cross multiply
    2,637.09x = 3,953.70 × 1,155.96
  4. Step 4: Simplify right side
    2,637.09x = 4,570,319.05
  5. Step 5: Solve for x
    x = 4,570,319.05/2,637.09
  6. Step 6: Final answer
    x = 1,733.09

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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.