Home / 3,622.24-5,429.10-1,670.32

Finding the Fourth Proportional to 3,622.24, 5,429.10 and 1,670.32

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Solution

The fourth proportional to 3,622.24, 5,429.10 and 1,670.32 is: 2,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.24 : 5,429.10 = 1,670.32 : x
  2. Step 2: Convert to fraction form
    3,622.24/5,429.10 = 1,670.32/x
  3. Step 3: Cross multiply
    3,622.24x = 5,429.10 × 1,670.32
  4. Step 4: Simplify right side
    3,622.24x = 9,068,334.31
  5. Step 5: Solve for x
    x = 9,068,334.31/3,622.24
  6. Step 6: Final answer
    x = 2,503.52

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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.