Home / 3,642.58-5,458.64-2,079.34

Finding the Fourth Proportional to 3,642.58, 5,458.64 and 2,079.34

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Solution

The fourth proportional to 3,642.58, 5,458.64 and 2,079.34 is: 3,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.58 : 5,458.64 = 2,079.34 : x
  2. Step 2: Convert to fraction form
    3,642.58/5,458.64 = 2,079.34/x
  3. Step 3: Cross multiply
    3,642.58x = 5,458.64 × 2,079.34
  4. Step 4: Simplify right side
    3,642.58x = 11,350,368.50
  5. Step 5: Solve for x
    x = 11,350,368.50/3,642.58
  6. Step 6: Final answer
    x = 3,116.02

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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.