Home / 2,556.60-3,528.68-1,670.88

Finding the Fourth Proportional to 2,556.60, 3,528.68 and 1,670.88

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Solution

The fourth proportional to 2,556.60, 3,528.68 and 1,670.88 is: 2,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.60 : 3,528.68 = 1,670.88 : x
  2. Step 2: Convert to fraction form
    2,556.60/3,528.68 = 1,670.88/x
  3. Step 3: Cross multiply
    2,556.60x = 3,528.68 × 1,670.88
  4. Step 4: Simplify right side
    2,556.60x = 5,896,000.84
  5. Step 5: Solve for x
    x = 5,896,000.84/2,556.60
  6. Step 6: Final answer
    x = 2,306.19

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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.