Home / 2,423.02-3,631.74-1,121.76

Finding the Fourth Proportional to 2,423.02, 3,631.74 and 1,121.76

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Solution

The fourth proportional to 2,423.02, 3,631.74 and 1,121.76 is: 1,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.02 : 3,631.74 = 1,121.76 : x
  2. Step 2: Convert to fraction form
    2,423.02/3,631.74 = 1,121.76/x
  3. Step 3: Cross multiply
    2,423.02x = 3,631.74 × 1,121.76
  4. Step 4: Simplify right side
    2,423.02x = 4,073,940.66
  5. Step 5: Solve for x
    x = 4,073,940.66/2,423.02
  6. Step 6: Final answer
    x = 1,681.35

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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.