Home / 2,976.02-4,106.90-1,631.63

Finding the Fourth Proportional to 2,976.02, 4,106.90 and 1,631.63

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Solution

The fourth proportional to 2,976.02, 4,106.90 and 1,631.63 is: 2,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.02 : 4,106.90 = 1,631.63 : x
  2. Step 2: Convert to fraction form
    2,976.02/4,106.90 = 1,631.63/x
  3. Step 3: Cross multiply
    2,976.02x = 4,106.90 × 1,631.63
  4. Step 4: Simplify right side
    2,976.02x = 6,700,941.25
  5. Step 5: Solve for x
    x = 6,700,941.25/2,976.02
  6. Step 6: Final answer
    x = 2,251.65

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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.