Home / 3,509.22-5,284.65-3,124.74

Finding the Fourth Proportional to 3,509.22, 5,284.65 and 3,124.74

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Solution

The fourth proportional to 3,509.22, 5,284.65 and 3,124.74 is: 4,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.22 : 5,284.65 = 3,124.74 : x
  2. Step 2: Convert to fraction form
    3,509.22/5,284.65 = 3,124.74/x
  3. Step 3: Cross multiply
    3,509.22x = 5,284.65 × 3,124.74
  4. Step 4: Simplify right side
    3,509.22x = 16,513,157.24
  5. Step 5: Solve for x
    x = 16,513,157.24/3,509.22
  6. Step 6: Final answer
    x = 4,705.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.