Home / 1,980.65-2,971.49-594.47

Finding the Fourth Proportional to 1,980.65, 2,971.49 and 594.47

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Solution

The fourth proportional to 1,980.65, 2,971.49 and 594.47 is: 891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.65 : 2,971.49 = 594.47 : x
  2. Step 2: Convert to fraction form
    1,980.65/2,971.49 = 594.47/x
  3. Step 3: Cross multiply
    1,980.65x = 2,971.49 × 594.47
  4. Step 4: Simplify right side
    1,980.65x = 1,766,466.12
  5. Step 5: Solve for x
    x = 1,766,466.12/1,980.65
  6. Step 6: Final answer
    x = 891.86

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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.