Home / 2,045.08-2,821.56-1,160.86

Finding the Fourth Proportional to 2,045.08, 2,821.56 and 1,160.86

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Solution

The fourth proportional to 2,045.08, 2,821.56 and 1,160.86 is: 1,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.08 : 2,821.56 = 1,160.86 : x
  2. Step 2: Convert to fraction form
    2,045.08/2,821.56 = 1,160.86/x
  3. Step 3: Cross multiply
    2,045.08x = 2,821.56 × 1,160.86
  4. Step 4: Simplify right side
    2,045.08x = 3,275,436.14
  5. Step 5: Solve for x
    x = 3,275,436.14/2,045.08
  6. Step 6: Final answer
    x = 1,601.62

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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.