Home / 3,637.31-5,455.98-1,555.56

Finding the Fourth Proportional to 3,637.31, 5,455.98 and 1,555.56

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Solution

The fourth proportional to 3,637.31, 5,455.98 and 1,555.56 is: 2,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.31 : 5,455.98 = 1,555.56 : x
  2. Step 2: Convert to fraction form
    3,637.31/5,455.98 = 1,555.56/x
  3. Step 3: Cross multiply
    3,637.31x = 5,455.98 × 1,555.56
  4. Step 4: Simplify right side
    3,637.31x = 8,487,104.25
  5. Step 5: Solve for x
    x = 8,487,104.25/3,637.31
  6. Step 6: Final answer
    x = 2,333.35

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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.