Home / 3,756.12-5,635.32-1,159.32

Finding the Fourth Proportional to 3,756.12, 5,635.32 and 1,159.32

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Solution

The fourth proportional to 3,756.12, 5,635.32 and 1,159.32 is: 1,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.12 : 5,635.32 = 1,159.32 : x
  2. Step 2: Convert to fraction form
    3,756.12/5,635.32 = 1,159.32/x
  3. Step 3: Cross multiply
    3,756.12x = 5,635.32 × 1,159.32
  4. Step 4: Simplify right side
    3,756.12x = 6,533,139.18
  5. Step 5: Solve for x
    x = 6,533,139.18/3,756.12
  6. Step 6: Final answer
    x = 1,739.33

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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.