Home / 1,175.13-1,601.46-1,170.81

Finding the Fourth Proportional to 1,175.13, 1,601.46 and 1,170.81

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Solution

The fourth proportional to 1,175.13, 1,601.46 and 1,170.81 is: 1,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.13 : 1,601.46 = 1,170.81 : x
  2. Step 2: Convert to fraction form
    1,175.13/1,601.46 = 1,170.81/x
  3. Step 3: Cross multiply
    1,175.13x = 1,601.46 × 1,170.81
  4. Step 4: Simplify right side
    1,175.13x = 1,875,005.38
  5. Step 5: Solve for x
    x = 1,875,005.38/1,175.13
  6. Step 6: Final answer
    x = 1,595.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.