Home / 3,478.90-5,222.01-1,835.02

Finding the Fourth Proportional to 3,478.90, 5,222.01 and 1,835.02

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Solution

The fourth proportional to 3,478.90, 5,222.01 and 1,835.02 is: 2,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.90 : 5,222.01 = 1,835.02 : x
  2. Step 2: Convert to fraction form
    3,478.90/5,222.01 = 1,835.02/x
  3. Step 3: Cross multiply
    3,478.90x = 5,222.01 × 1,835.02
  4. Step 4: Simplify right side
    3,478.90x = 9,582,492.79
  5. Step 5: Solve for x
    x = 9,582,492.79/3,478.90
  6. Step 6: Final answer
    x = 2,754.46

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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.