Home / 2,368.90-3,269.24-1,320.97

Finding the Fourth Proportional to 2,368.90, 3,269.24 and 1,320.97

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Solution

The fourth proportional to 2,368.90, 3,269.24 and 1,320.97 is: 1,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.90 : 3,269.24 = 1,320.97 : x
  2. Step 2: Convert to fraction form
    2,368.90/3,269.24 = 1,320.97/x
  3. Step 3: Cross multiply
    2,368.90x = 3,269.24 × 1,320.97
  4. Step 4: Simplify right side
    2,368.90x = 4,318,567.96
  5. Step 5: Solve for x
    x = 4,318,567.96/2,368.90
  6. Step 6: Final answer
    x = 1,823.03

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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.