Home / 1,539.69-2,308.73-1,052.88

Finding the Fourth Proportional to 1,539.69, 2,308.73 and 1,052.88

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Solution

The fourth proportional to 1,539.69, 2,308.73 and 1,052.88 is: 1,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.69 : 2,308.73 = 1,052.88 : x
  2. Step 2: Convert to fraction form
    1,539.69/2,308.73 = 1,052.88/x
  3. Step 3: Cross multiply
    1,539.69x = 2,308.73 × 1,052.88
  4. Step 4: Simplify right side
    1,539.69x = 2,430,810.38
  5. Step 5: Solve for x
    x = 2,430,810.38/1,539.69
  6. Step 6: Final answer
    x = 1,578.77

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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.