Home / 1,218.86-1,827.60-601.24

Finding the Fourth Proportional to 1,218.86, 1,827.60 and 601.24

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Solution

The fourth proportional to 1,218.86, 1,827.60 and 601.24 is: 901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.86 : 1,827.60 = 601.24 : x
  2. Step 2: Convert to fraction form
    1,218.86/1,827.60 = 601.24/x
  3. Step 3: Cross multiply
    1,218.86x = 1,827.60 × 601.24
  4. Step 4: Simplify right side
    1,218.86x = 1,098,826.22
  5. Step 5: Solve for x
    x = 1,098,826.22/1,218.86
  6. Step 6: Final answer
    x = 901.52

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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.