Home / 3,607.02-5,385.20-2,910.96

Finding the Fourth Proportional to 3,607.02, 5,385.20 and 2,910.96

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Solution

The fourth proportional to 3,607.02, 5,385.20 and 2,910.96 is: 4,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.02 : 5,385.20 = 2,910.96 : x
  2. Step 2: Convert to fraction form
    3,607.02/5,385.20 = 2,910.96/x
  3. Step 3: Cross multiply
    3,607.02x = 5,385.20 × 2,910.96
  4. Step 4: Simplify right side
    3,607.02x = 15,676,087.24
  5. Step 5: Solve for x
    x = 15,676,087.24/3,607.02
  6. Step 6: Final answer
    x = 4,345.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.