Home / 2,369.19-3,269.40-1,292.42

Finding the Fourth Proportional to 2,369.19, 3,269.40 and 1,292.42

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Solution

The fourth proportional to 2,369.19, 3,269.40 and 1,292.42 is: 1,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.19 : 3,269.40 = 1,292.42 : x
  2. Step 2: Convert to fraction form
    2,369.19/3,269.40 = 1,292.42/x
  3. Step 3: Cross multiply
    2,369.19x = 3,269.40 × 1,292.42
  4. Step 4: Simplify right side
    2,369.19x = 4,225,421.60
  5. Step 5: Solve for x
    x = 4,225,421.60/2,369.19
  6. Step 6: Final answer
    x = 1,783.49

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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.