Home / 1,563.03-2,342.63-986.07

Finding the Fourth Proportional to 1,563.03, 2,342.63 and 986.07

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Solution

The fourth proportional to 1,563.03, 2,342.63 and 986.07 is: 1,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.03 : 2,342.63 = 986.07 : x
  2. Step 2: Convert to fraction form
    1,563.03/2,342.63 = 986.07/x
  3. Step 3: Cross multiply
    1,563.03x = 2,342.63 × 986.07
  4. Step 4: Simplify right side
    1,563.03x = 2,309,992.23
  5. Step 5: Solve for x
    x = 2,309,992.23/1,563.03
  6. Step 6: Final answer
    x = 1,477.89

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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.