Home / 1,317.93-1,977.33-587.37

Finding the Fourth Proportional to 1,317.93, 1,977.33 and 587.37

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Solution

The fourth proportional to 1,317.93, 1,977.33 and 587.37 is: 881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.93 : 1,977.33 = 587.37 : x
  2. Step 2: Convert to fraction form
    1,317.93/1,977.33 = 587.37/x
  3. Step 3: Cross multiply
    1,317.93x = 1,977.33 × 587.37
  4. Step 4: Simplify right side
    1,317.93x = 1,161,424.32
  5. Step 5: Solve for x
    x = 1,161,424.32/1,317.93
  6. Step 6: Final answer
    x = 881.25

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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.