Home / 2,170.74-3,258.99-2,095.86

Finding the Fourth Proportional to 2,170.74, 3,258.99 and 2,095.86

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Solution

The fourth proportional to 2,170.74, 3,258.99 and 2,095.86 is: 3,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.74 : 3,258.99 = 2,095.86 : x
  2. Step 2: Convert to fraction form
    2,170.74/3,258.99 = 2,095.86/x
  3. Step 3: Cross multiply
    2,170.74x = 3,258.99 × 2,095.86
  4. Step 4: Simplify right side
    2,170.74x = 6,830,386.78
  5. Step 5: Solve for x
    x = 6,830,386.78/2,170.74
  6. Step 6: Final answer
    x = 3,146.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.