Home / 2,303.86-3,178.30-1,419.14

Finding the Fourth Proportional to 2,303.86, 3,178.30 and 1,419.14

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Solution

The fourth proportional to 2,303.86, 3,178.30 and 1,419.14 is: 1,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.86 : 3,178.30 = 1,419.14 : x
  2. Step 2: Convert to fraction form
    2,303.86/3,178.30 = 1,419.14/x
  3. Step 3: Cross multiply
    2,303.86x = 3,178.30 × 1,419.14
  4. Step 4: Simplify right side
    2,303.86x = 4,510,452.66
  5. Step 5: Solve for x
    x = 4,510,452.66/2,303.86
  6. Step 6: Final answer
    x = 1,957.78

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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.