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Finding the Fourth Proportional to 2,053.04, 3,079.60 and 514

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Solution

The fourth proportional to 2,053.04, 3,079.60 and 514 is: 771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.04 : 3,079.60 = 514 : x
  2. Step 2: Convert to fraction form
    2,053.04/3,079.60 = 514/x
  3. Step 3: Cross multiply
    2,053.04x = 3,079.60 × 514
  4. Step 4: Simplify right side
    2,053.04x = 1,582,914.40
  5. Step 5: Solve for x
    x = 1,582,914.40/2,053.04
  6. Step 6: Final answer
    x = 771.01

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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.