Home / 1,246.04-1,867.54-514.80

Finding the Fourth Proportional to 1,246.04, 1,867.54 and 514.80

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Solution

The fourth proportional to 1,246.04, 1,867.54 and 514.80 is: 771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.04 : 1,867.54 = 514.80 : x
  2. Step 2: Convert to fraction form
    1,246.04/1,867.54 = 514.80/x
  3. Step 3: Cross multiply
    1,246.04x = 1,867.54 × 514.80
  4. Step 4: Simplify right side
    1,246.04x = 961,409.59
  5. Step 5: Solve for x
    x = 961,409.59/1,246.04
  6. Step 6: Final answer
    x = 771.57

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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.