Home / 1,529.88-2,295.02-1,289.31

Finding the Fourth Proportional to 1,529.88, 2,295.02 and 1,289.31

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Solution

The fourth proportional to 1,529.88, 2,295.02 and 1,289.31 is: 1,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.88 : 2,295.02 = 1,289.31 : x
  2. Step 2: Convert to fraction form
    1,529.88/2,295.02 = 1,289.31/x
  3. Step 3: Cross multiply
    1,529.88x = 2,295.02 × 1,289.31
  4. Step 4: Simplify right side
    1,529.88x = 2,958,992.24
  5. Step 5: Solve for x
    x = 2,958,992.24/1,529.88
  6. Step 6: Final answer
    x = 1,934.13

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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.