Home / 2,445.24-3,674.70-1,680.60

Finding the Fourth Proportional to 2,445.24, 3,674.70 and 1,680.60

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Solution

The fourth proportional to 2,445.24, 3,674.70 and 1,680.60 is: 2,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.24 : 3,674.70 = 1,680.60 : x
  2. Step 2: Convert to fraction form
    2,445.24/3,674.70 = 1,680.60/x
  3. Step 3: Cross multiply
    2,445.24x = 3,674.70 × 1,680.60
  4. Step 4: Simplify right side
    2,445.24x = 6,175,700.82
  5. Step 5: Solve for x
    x = 6,175,700.82/2,445.24
  6. Step 6: Final answer
    x = 2,525.60

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1.5x scale

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.