Home / 2,303.99-3,178.60-1,418.25

Finding the Fourth Proportional to 2,303.99, 3,178.60 and 1,418.25

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Solution

The fourth proportional to 2,303.99, 3,178.60 and 1,418.25 is: 1,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.99 : 3,178.60 = 1,418.25 : x
  2. Step 2: Convert to fraction form
    2,303.99/3,178.60 = 1,418.25/x
  3. Step 3: Cross multiply
    2,303.99x = 3,178.60 × 1,418.25
  4. Step 4: Simplify right side
    2,303.99x = 4,508,061.07
  5. Step 5: Solve for x
    x = 4,508,061.07/2,303.99
  6. Step 6: Final answer
    x = 1,956.63

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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.