Home / 2,601.64-3,909.53-1,369.63

Finding the Fourth Proportional to 2,601.64, 3,909.53 and 1,369.63

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Solution

The fourth proportional to 2,601.64, 3,909.53 and 1,369.63 is: 2,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.64 : 3,909.53 = 1,369.63 : x
  2. Step 2: Convert to fraction form
    2,601.64/3,909.53 = 1,369.63/x
  3. Step 3: Cross multiply
    2,601.64x = 3,909.53 × 1,369.63
  4. Step 4: Simplify right side
    2,601.64x = 5,354,609.57
  5. Step 5: Solve for x
    x = 5,354,609.57/2,601.64
  6. Step 6: Final answer
    x = 2,058.17

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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.