Home / 1,980.78-2,971.33-594.02

Finding the Fourth Proportional to 1,980.78, 2,971.33 and 594.02

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Solution

The fourth proportional to 1,980.78, 2,971.33 and 594.02 is: 891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.78 : 2,971.33 = 594.02 : x
  2. Step 2: Convert to fraction form
    1,980.78/2,971.33 = 594.02/x
  3. Step 3: Cross multiply
    1,980.78x = 2,971.33 × 594.02
  4. Step 4: Simplify right side
    1,980.78x = 1,765,029.45
  5. Step 5: Solve for x
    x = 1,765,029.45/1,980.78
  6. Step 6: Final answer
    x = 891.08

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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.