Home / 2,369.39-3,269.60-1,307.10

Finding the Fourth Proportional to 2,369.39, 3,269.60 and 1,307.10

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Solution

The fourth proportional to 2,369.39, 3,269.60 and 1,307.10 is: 1,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.39 : 3,269.60 = 1,307.10 : x
  2. Step 2: Convert to fraction form
    2,369.39/3,269.60 = 1,307.10/x
  3. Step 3: Cross multiply
    2,369.39x = 3,269.60 × 1,307.10
  4. Step 4: Simplify right side
    2,369.39x = 4,273,694.16
  5. Step 5: Solve for x
    x = 4,273,694.16/2,369.39
  6. Step 6: Final answer
    x = 1,803.71

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1.5x scale

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.