Home / 1,156.44-1,731.96-570.36

Finding the Fourth Proportional to 1,156.44, 1,731.96 and 570.36

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Solution

The fourth proportional to 1,156.44, 1,731.96 and 570.36 is: 854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.44 : 1,731.96 = 570.36 : x
  2. Step 2: Convert to fraction form
    1,156.44/1,731.96 = 570.36/x
  3. Step 3: Cross multiply
    1,156.44x = 1,731.96 × 570.36
  4. Step 4: Simplify right side
    1,156.44x = 987,840.71
  5. Step 5: Solve for x
    x = 987,840.71/1,156.44
  6. Step 6: Final answer
    x = 854.21

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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.