Home / 1,051.00-1,577.21-1,047.15

Finding the Fourth Proportional to 1,051.00, 1,577.21 and 1,047.15

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Solution

The fourth proportional to 1,051.00, 1,577.21 and 1,047.15 is: 1,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.00 : 1,577.21 = 1,047.15 : x
  2. Step 2: Convert to fraction form
    1,051.00/1,577.21 = 1,047.15/x
  3. Step 3: Cross multiply
    1,051.00x = 1,577.21 × 1,047.15
  4. Step 4: Simplify right side
    1,051.00x = 1,651,570.22
  5. Step 5: Solve for x
    x = 1,651,570.22/1,051.00
  6. Step 6: Final answer
    x = 1,571.43

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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.