Home / 2,253.96-3,113.48-1,813.56

Finding the Fourth Proportional to 2,253.96, 3,113.48 and 1,813.56

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Solution

The fourth proportional to 2,253.96, 3,113.48 and 1,813.56 is: 2,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.96 : 3,113.48 = 1,813.56 : x
  2. Step 2: Convert to fraction form
    2,253.96/3,113.48 = 1,813.56/x
  3. Step 3: Cross multiply
    2,253.96x = 3,113.48 × 1,813.56
  4. Step 4: Simplify right side
    2,253.96x = 5,646,482.79
  5. Step 5: Solve for x
    x = 5,646,482.79/2,253.96
  6. Step 6: Final answer
    x = 2,505.14

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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.