Home / 1,704.40-2,556.60-1,582.90

Finding the Fourth Proportional to 1,704.40, 2,556.60 and 1,582.90

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Solution

The fourth proportional to 1,704.40, 2,556.60 and 1,582.90 is: 2,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.40 : 2,556.60 = 1,582.90 : x
  2. Step 2: Convert to fraction form
    1,704.40/2,556.60 = 1,582.90/x
  3. Step 3: Cross multiply
    1,704.40x = 2,556.60 × 1,582.90
  4. Step 4: Simplify right side
    1,704.40x = 4,046,842.14
  5. Step 5: Solve for x
    x = 4,046,842.14/1,704.40
  6. Step 6: Final answer
    x = 2,374.35

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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.