Home / 1,218.88-1,827.50-602.98

Finding the Fourth Proportional to 1,218.88, 1,827.50 and 602.98

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Solution

The fourth proportional to 1,218.88, 1,827.50 and 602.98 is: 904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.88 : 1,827.50 = 602.98 : x
  2. Step 2: Convert to fraction form
    1,218.88/1,827.50 = 602.98/x
  3. Step 3: Cross multiply
    1,218.88x = 1,827.50 × 602.98
  4. Step 4: Simplify right side
    1,218.88x = 1,101,933.80
  5. Step 5: Solve for x
    x = 1,101,933.80/1,218.88
  6. Step 6: Final answer
    x = 904.06

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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.