Home / 1,283.04-1,923.48-514.08

Finding the Fourth Proportional to 1,283.04, 1,923.48 and 514.08

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Solution

The fourth proportional to 1,283.04, 1,923.48 and 514.08 is: 770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.04 : 1,923.48 = 514.08 : x
  2. Step 2: Convert to fraction form
    1,283.04/1,923.48 = 514.08/x
  3. Step 3: Cross multiply
    1,283.04x = 1,923.48 × 514.08
  4. Step 4: Simplify right side
    1,283.04x = 988,822.60
  5. Step 5: Solve for x
    x = 988,822.60/1,283.04
  6. Step 6: Final answer
    x = 770.69

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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.