Home / 2,445.69-3,372.21-1,782.84

Finding the Fourth Proportional to 2,445.69, 3,372.21 and 1,782.84

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Solution

The fourth proportional to 2,445.69, 3,372.21 and 1,782.84 is: 2,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.69 : 3,372.21 = 1,782.84 : x
  2. Step 2: Convert to fraction form
    2,445.69/3,372.21 = 1,782.84/x
  3. Step 3: Cross multiply
    2,445.69x = 3,372.21 × 1,782.84
  4. Step 4: Simplify right side
    2,445.69x = 6,012,110.88
  5. Step 5: Solve for x
    x = 6,012,110.88/2,445.69
  6. Step 6: Final answer
    x = 2,458.25

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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.