Home / 2,101.34-3,152.93-1,175.51

Finding the Fourth Proportional to 2,101.34, 3,152.93 and 1,175.51

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Solution

The fourth proportional to 2,101.34, 3,152.93 and 1,175.51 is: 1,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.34 : 3,152.93 = 1,175.51 : x
  2. Step 2: Convert to fraction form
    2,101.34/3,152.93 = 1,175.51/x
  3. Step 3: Cross multiply
    2,101.34x = 3,152.93 × 1,175.51
  4. Step 4: Simplify right side
    2,101.34x = 3,706,302.75
  5. Step 5: Solve for x
    x = 3,706,302.75/2,101.34
  6. Step 6: Final answer
    x = 1,763.78

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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.