Home / 1,539.76-2,308.08-1,053.04

Finding the Fourth Proportional to 1,539.76, 2,308.08 and 1,053.04

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Solution

The fourth proportional to 1,539.76, 2,308.08 and 1,053.04 is: 1,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.76 : 2,308.08 = 1,053.04 : x
  2. Step 2: Convert to fraction form
    1,539.76/2,308.08 = 1,053.04/x
  3. Step 3: Cross multiply
    1,539.76x = 2,308.08 × 1,053.04
  4. Step 4: Simplify right side
    1,539.76x = 2,430,500.56
  5. Step 5: Solve for x
    x = 2,430,500.56/1,539.76
  6. Step 6: Final answer
    x = 1,578.49

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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.