Home / 1,930.41-2,895.48-543.69

Finding the Fourth Proportional to 1,930.41, 2,895.48 and 543.69

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Solution

The fourth proportional to 1,930.41, 2,895.48 and 543.69 is: 815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.41 : 2,895.48 = 543.69 : x
  2. Step 2: Convert to fraction form
    1,930.41/2,895.48 = 543.69/x
  3. Step 3: Cross multiply
    1,930.41x = 2,895.48 × 543.69
  4. Step 4: Simplify right side
    1,930.41x = 1,574,243.52
  5. Step 5: Solve for x
    x = 1,574,243.52/1,930.41
  6. Step 6: Final answer
    x = 815.50

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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.