Home / 3,612.30-5,407.09-3,528.06

Finding the Fourth Proportional to 3,612.30, 5,407.09 and 3,528.06

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Solution

The fourth proportional to 3,612.30, 5,407.09 and 3,528.06 is: 5,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.30 : 5,407.09 = 3,528.06 : x
  2. Step 2: Convert to fraction form
    3,612.30/5,407.09 = 3,528.06/x
  3. Step 3: Cross multiply
    3,612.30x = 5,407.09 × 3,528.06
  4. Step 4: Simplify right side
    3,612.30x = 19,076,537.95
  5. Step 5: Solve for x
    x = 19,076,537.95/3,612.30
  6. Step 6: Final answer
    x = 5,280.99

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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.