Home / 1,418.52-2,124.54-1,275.96

Finding the Fourth Proportional to 1,418.52, 2,124.54 and 1,275.96

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Solution

The fourth proportional to 1,418.52, 2,124.54 and 1,275.96 is: 1,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.52 : 2,124.54 = 1,275.96 : x
  2. Step 2: Convert to fraction form
    1,418.52/2,124.54 = 1,275.96/x
  3. Step 3: Cross multiply
    1,418.52x = 2,124.54 × 1,275.96
  4. Step 4: Simplify right side
    1,418.52x = 2,710,828.06
  5. Step 5: Solve for x
    x = 2,710,828.06/1,418.52
  6. Step 6: Final answer
    x = 1,911.03

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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.