Home / 1,548.58-2,319.77-931.94

Finding the Fourth Proportional to 1,548.58, 2,319.77 and 931.94

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Solution

The fourth proportional to 1,548.58, 2,319.77 and 931.94 is: 1,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.58 : 2,319.77 = 931.94 : x
  2. Step 2: Convert to fraction form
    1,548.58/2,319.77 = 931.94/x
  3. Step 3: Cross multiply
    1,548.58x = 2,319.77 × 931.94
  4. Step 4: Simplify right side
    1,548.58x = 2,161,886.45
  5. Step 5: Solve for x
    x = 2,161,886.45/1,548.58
  6. Step 6: Final answer
    x = 1,396.04

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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.