Home / 1,459.62-2,012.73-1,271.49

Finding the Fourth Proportional to 1,459.62, 2,012.73 and 1,271.49

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Solution

The fourth proportional to 1,459.62, 2,012.73 and 1,271.49 is: 1,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.62 : 2,012.73 = 1,271.49 : x
  2. Step 2: Convert to fraction form
    1,459.62/2,012.73 = 1,271.49/x
  3. Step 3: Cross multiply
    1,459.62x = 2,012.73 × 1,271.49
  4. Step 4: Simplify right side
    1,459.62x = 2,559,166.07
  5. Step 5: Solve for x
    x = 2,559,166.07/1,459.62
  6. Step 6: Final answer
    x = 1,753.31

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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.