Home / 3,374.40-4,651.28-2,045.60

Finding the Fourth Proportional to 3,374.40, 4,651.28 and 2,045.60

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Solution

The fourth proportional to 3,374.40, 4,651.28 and 2,045.60 is: 2,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.40 : 4,651.28 = 2,045.60 : x
  2. Step 2: Convert to fraction form
    3,374.40/4,651.28 = 2,045.60/x
  3. Step 3: Cross multiply
    3,374.40x = 4,651.28 × 2,045.60
  4. Step 4: Simplify right side
    3,374.40x = 9,514,658.37
  5. Step 5: Solve for x
    x = 9,514,658.37/3,374.40
  6. Step 6: Final answer
    x = 2,819.66

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1.5x scale

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.