Home / 2,488.23-3,433.55-1,369.08

Finding the Fourth Proportional to 2,488.23, 3,433.55 and 1,369.08

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Solution

The fourth proportional to 2,488.23, 3,433.55 and 1,369.08 is: 1,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.23 : 3,433.55 = 1,369.08 : x
  2. Step 2: Convert to fraction form
    2,488.23/3,433.55 = 1,369.08/x
  3. Step 3: Cross multiply
    2,488.23x = 3,433.55 × 1,369.08
  4. Step 4: Simplify right side
    2,488.23x = 4,700,797.79
  5. Step 5: Solve for x
    x = 4,700,797.79/2,488.23
  6. Step 6: Final answer
    x = 1,889.21

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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.