Home / 1,155.24-1,594.23-631.27

Finding the Fourth Proportional to 1,155.24, 1,594.23 and 631.27

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Solution

The fourth proportional to 1,155.24, 1,594.23 and 631.27 is: 871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.24 : 1,594.23 = 631.27 : x
  2. Step 2: Convert to fraction form
    1,155.24/1,594.23 = 631.27/x
  3. Step 3: Cross multiply
    1,155.24x = 1,594.23 × 631.27
  4. Step 4: Simplify right side
    1,155.24x = 1,006,388.26
  5. Step 5: Solve for x
    x = 1,006,388.26/1,155.24
  6. Step 6: Final answer
    x = 871.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.