Home / 3,637.45-5,451.60-1,555.00

Finding the Fourth Proportional to 3,637.45, 5,451.60 and 1,555.00

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Solution

The fourth proportional to 3,637.45, 5,451.60 and 1,555.00 is: 2,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.45 : 5,451.60 = 1,555.00 : x
  2. Step 2: Convert to fraction form
    3,637.45/5,451.60 = 1,555.00/x
  3. Step 3: Cross multiply
    3,637.45x = 5,451.60 × 1,555.00
  4. Step 4: Simplify right side
    3,637.45x = 8,477,247.45
  5. Step 5: Solve for x
    x = 8,477,247.45/3,637.45
  6. Step 6: Final answer
    x = 2,330.55

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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.