Home / 1,813.24-2,502.14-1,114.62

Finding the Fourth Proportional to 1,813.24, 2,502.14 and 1,114.62

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Solution

The fourth proportional to 1,813.24, 2,502.14 and 1,114.62 is: 1,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.24 : 2,502.14 = 1,114.62 : x
  2. Step 2: Convert to fraction form
    1,813.24/2,502.14 = 1,114.62/x
  3. Step 3: Cross multiply
    1,813.24x = 2,502.14 × 1,114.62
  4. Step 4: Simplify right side
    1,813.24x = 2,788,935.29
  5. Step 5: Solve for x
    x = 2,788,935.29/1,813.24
  6. Step 6: Final answer
    x = 1,538.09

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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.