Home / 1,805.08-2,502.49-1,711.40

Finding the Fourth Proportional to 1,805.08, 2,502.49 and 1,711.40

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Solution

The fourth proportional to 1,805.08, 2,502.49 and 1,711.40 is: 2,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.08 : 2,502.49 = 1,711.40 : x
  2. Step 2: Convert to fraction form
    1,805.08/2,502.49 = 1,711.40/x
  3. Step 3: Cross multiply
    1,805.08x = 2,502.49 × 1,711.40
  4. Step 4: Simplify right side
    1,805.08x = 4,282,761.39
  5. Step 5: Solve for x
    x = 4,282,761.39/1,805.08
  6. Step 6: Final answer
    x = 2,372.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.