Home / 2,521.44-3,477.60-1,635.71

Finding the Fourth Proportional to 2,521.44, 3,477.60 and 1,635.71

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Solution

The fourth proportional to 2,521.44, 3,477.60 and 1,635.71 is: 2,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.44 : 3,477.60 = 1,635.71 : x
  2. Step 2: Convert to fraction form
    2,521.44/3,477.60 = 1,635.71/x
  3. Step 3: Cross multiply
    2,521.44x = 3,477.60 × 1,635.71
  4. Step 4: Simplify right side
    2,521.44x = 5,688,327.71
  5. Step 5: Solve for x
    x = 5,688,327.71/2,521.44
  6. Step 6: Final answer
    x = 2,255.98

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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.