Home / 2,091.76-2,886.64-1,160.26

Finding the Fourth Proportional to 2,091.76, 2,886.64 and 1,160.26

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Solution

The fourth proportional to 2,091.76, 2,886.64 and 1,160.26 is: 1,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.76 : 2,886.64 = 1,160.26 : x
  2. Step 2: Convert to fraction form
    2,091.76/2,886.64 = 1,160.26/x
  3. Step 3: Cross multiply
    2,091.76x = 2,886.64 × 1,160.26
  4. Step 4: Simplify right side
    2,091.76x = 3,349,252.93
  5. Step 5: Solve for x
    x = 3,349,252.93/2,091.76
  6. Step 6: Final answer
    x = 1,601.17

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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.