Home / 3,643.32-5,464.96-2,909.46

Finding the Fourth Proportional to 3,643.32, 5,464.96 and 2,909.46

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Solution

The fourth proportional to 3,643.32, 5,464.96 and 2,909.46 is: 4,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.32 : 5,464.96 = 2,909.46 : x
  2. Step 2: Convert to fraction form
    3,643.32/5,464.96 = 2,909.46/x
  3. Step 3: Cross multiply
    3,643.32x = 5,464.96 × 2,909.46
  4. Step 4: Simplify right side
    3,643.32x = 15,900,082.52
  5. Step 5: Solve for x
    x = 15,900,082.52/3,643.32
  6. Step 6: Final answer
    x = 4,364.17

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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.