Home / 2,304.13-3,178.80-1,418.40

Finding the Fourth Proportional to 2,304.13, 3,178.80 and 1,418.40

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Solution

The fourth proportional to 2,304.13, 3,178.80 and 1,418.40 is: 1,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.13 : 3,178.80 = 1,418.40 : x
  2. Step 2: Convert to fraction form
    2,304.13/3,178.80 = 1,418.40/x
  3. Step 3: Cross multiply
    2,304.13x = 3,178.80 × 1,418.40
  4. Step 4: Simplify right side
    2,304.13x = 4,508,809.92
  5. Step 5: Solve for x
    x = 4,508,809.92/2,304.13
  6. Step 6: Final answer
    x = 1,956.84

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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.