Home / 3,429.02-4,731.80-2,031.50

Finding the Fourth Proportional to 3,429.02, 4,731.80 and 2,031.50

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Solution

The fourth proportional to 3,429.02, 4,731.80 and 2,031.50 is: 2,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.02 : 4,731.80 = 2,031.50 : x
  2. Step 2: Convert to fraction form
    3,429.02/4,731.80 = 2,031.50/x
  3. Step 3: Cross multiply
    3,429.02x = 4,731.80 × 2,031.50
  4. Step 4: Simplify right side
    3,429.02x = 9,612,651.70
  5. Step 5: Solve for x
    x = 9,612,651.70/3,429.02
  6. Step 6: Final answer
    x = 2,803.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.