Home / 2,153.17-2,971.52-1,269.06

Finding the Fourth Proportional to 2,153.17, 2,971.52 and 1,269.06

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Solution

The fourth proportional to 2,153.17, 2,971.52 and 1,269.06 is: 1,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.17 : 2,971.52 = 1,269.06 : x
  2. Step 2: Convert to fraction form
    2,153.17/2,971.52 = 1,269.06/x
  3. Step 3: Cross multiply
    2,153.17x = 2,971.52 × 1,269.06
  4. Step 4: Simplify right side
    2,153.17x = 3,771,037.17
  5. Step 5: Solve for x
    x = 3,771,037.17/2,153.17
  6. Step 6: Final answer
    x = 1,751.39

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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.