Home / 3,630.08-5,445.12-2,328.32

Finding the Fourth Proportional to 3,630.08, 5,445.12 and 2,328.32

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Solution

The fourth proportional to 3,630.08, 5,445.12 and 2,328.32 is: 3,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.08 : 5,445.12 = 2,328.32 : x
  2. Step 2: Convert to fraction form
    3,630.08/5,445.12 = 2,328.32/x
  3. Step 3: Cross multiply
    3,630.08x = 5,445.12 × 2,328.32
  4. Step 4: Simplify right side
    3,630.08x = 12,677,981.80
  5. Step 5: Solve for x
    x = 12,677,981.80/3,630.08
  6. Step 6: Final answer
    x = 3,492.48

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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.