Home / 3,703.47-5,555.18-1,238.31

Finding the Fourth Proportional to 3,703.47, 5,555.18 and 1,238.31

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Solution

The fourth proportional to 3,703.47, 5,555.18 and 1,238.31 is: 1,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.47 : 5,555.18 = 1,238.31 : x
  2. Step 2: Convert to fraction form
    3,703.47/5,555.18 = 1,238.31/x
  3. Step 3: Cross multiply
    3,703.47x = 5,555.18 × 1,238.31
  4. Step 4: Simplify right side
    3,703.47x = 6,879,028.75
  5. Step 5: Solve for x
    x = 6,879,028.75/3,703.47
  6. Step 6: Final answer
    x = 1,857.45

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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.