Home / 1,704.48-2,557.74-1,531.98

Finding the Fourth Proportional to 1,704.48, 2,557.74 and 1,531.98

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Solution

The fourth proportional to 1,704.48, 2,557.74 and 1,531.98 is: 2,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.48 : 2,557.74 = 1,531.98 : x
  2. Step 2: Convert to fraction form
    1,704.48/2,557.74 = 1,531.98/x
  3. Step 3: Cross multiply
    1,704.48x = 2,557.74 × 1,531.98
  4. Step 4: Simplify right side
    1,704.48x = 3,918,406.53
  5. Step 5: Solve for x
    x = 3,918,406.53/1,704.48
  6. Step 6: Final answer
    x = 2,298.89

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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.