Home / 2,175.49-3,001.06-1,429.35

Finding the Fourth Proportional to 2,175.49, 3,001.06 and 1,429.35

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Solution

The fourth proportional to 2,175.49, 3,001.06 and 1,429.35 is: 1,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.49 : 3,001.06 = 1,429.35 : x
  2. Step 2: Convert to fraction form
    2,175.49/3,001.06 = 1,429.35/x
  3. Step 3: Cross multiply
    2,175.49x = 3,001.06 × 1,429.35
  4. Step 4: Simplify right side
    2,175.49x = 4,289,565.11
  5. Step 5: Solve for x
    x = 4,289,565.11/2,175.49
  6. Step 6: Final answer
    x = 1,971.77

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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.