Home / 1,423.08-2,132.28-1,369.08

Finding the Fourth Proportional to 1,423.08, 2,132.28 and 1,369.08

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Solution

The fourth proportional to 1,423.08, 2,132.28 and 1,369.08 is: 2,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.08 : 2,132.28 = 1,369.08 : x
  2. Step 2: Convert to fraction form
    1,423.08/2,132.28 = 1,369.08/x
  3. Step 3: Cross multiply
    1,423.08x = 2,132.28 × 1,369.08
  4. Step 4: Simplify right side
    1,423.08x = 2,919,261.90
  5. Step 5: Solve for x
    x = 2,919,261.90/1,423.08
  6. Step 6: Final answer
    x = 2,051.37

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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.