Home / 4,284.40-5,904.30-2,955.68

Finding the Fourth Proportional to 4,284.40, 5,904.30 and 2,955.68

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Solution

The fourth proportional to 4,284.40, 5,904.30 and 2,955.68 is: 4,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.40 : 5,904.30 = 2,955.68 : x
  2. Step 2: Convert to fraction form
    4,284.40/5,904.30 = 2,955.68/x
  3. Step 3: Cross multiply
    4,284.40x = 5,904.30 × 2,955.68
  4. Step 4: Simplify right side
    4,284.40x = 17,451,221.42
  5. Step 5: Solve for x
    x = 17,451,221.42/4,284.40
  6. Step 6: Final answer
    x = 4,073.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.