Home / 3,700.90-5,549.44-1,360.32

Finding the Fourth Proportional to 3,700.90, 5,549.44 and 1,360.32

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Solution

The fourth proportional to 3,700.90, 5,549.44 and 1,360.32 is: 2,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.90 : 5,549.44 = 1,360.32 : x
  2. Step 2: Convert to fraction form
    3,700.90/5,549.44 = 1,360.32/x
  3. Step 3: Cross multiply
    3,700.90x = 5,549.44 × 1,360.32
  4. Step 4: Simplify right side
    3,700.90x = 7,549,014.22
  5. Step 5: Solve for x
    x = 7,549,014.22/3,700.90
  6. Step 6: Final answer
    x = 2,039.78

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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.