Home / 2,307.81-3,179.22-1,835.56

Finding the Fourth Proportional to 2,307.81, 3,179.22 and 1,835.56

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Solution

The fourth proportional to 2,307.81, 3,179.22 and 1,835.56 is: 2,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.81 : 3,179.22 = 1,835.56 : x
  2. Step 2: Convert to fraction form
    2,307.81/3,179.22 = 1,835.56/x
  3. Step 3: Cross multiply
    2,307.81x = 3,179.22 × 1,835.56
  4. Step 4: Simplify right side
    2,307.81x = 5,835,646.15
  5. Step 5: Solve for x
    x = 5,835,646.15/2,307.81
  6. Step 6: Final answer
    x = 2,528.65

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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.