Home / 2,132.83-2,943.36-1,175.77

Finding the Fourth Proportional to 2,132.83, 2,943.36 and 1,175.77

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Solution

The fourth proportional to 2,132.83, 2,943.36 and 1,175.77 is: 1,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.83 : 2,943.36 = 1,175.77 : x
  2. Step 2: Convert to fraction form
    2,132.83/2,943.36 = 1,175.77/x
  3. Step 3: Cross multiply
    2,132.83x = 2,943.36 × 1,175.77
  4. Step 4: Simplify right side
    2,132.83x = 3,460,714.39
  5. Step 5: Solve for x
    x = 3,460,714.39/2,132.83
  6. Step 6: Final answer
    x = 1,622.59

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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.