Home / 1,988.67-2,983.14-602.36

Finding the Fourth Proportional to 1,988.67, 2,983.14 and 602.36

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Solution

The fourth proportional to 1,988.67, 2,983.14 and 602.36 is: 903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.67 : 2,983.14 = 602.36 : x
  2. Step 2: Convert to fraction form
    1,988.67/2,983.14 = 602.36/x
  3. Step 3: Cross multiply
    1,988.67x = 2,983.14 × 602.36
  4. Step 4: Simplify right side
    1,988.67x = 1,796,909.29
  5. Step 5: Solve for x
    x = 1,796,909.29/1,988.67
  6. Step 6: Final answer
    x = 903.57

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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.