Home / 2,445.82-3,670.70-1,276.18

Finding the Fourth Proportional to 2,445.82, 3,670.70 and 1,276.18

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Solution

The fourth proportional to 2,445.82, 3,670.70 and 1,276.18 is: 1,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.82 : 3,670.70 = 1,276.18 : x
  2. Step 2: Convert to fraction form
    2,445.82/3,670.70 = 1,276.18/x
  3. Step 3: Cross multiply
    2,445.82x = 3,670.70 × 1,276.18
  4. Step 4: Simplify right side
    2,445.82x = 4,684,473.93
  5. Step 5: Solve for x
    x = 4,684,473.93/2,445.82
  6. Step 6: Final answer
    x = 1,915.30

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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.