Home / 1,492.64-2,057.36-1,181.60

Finding the Fourth Proportional to 1,492.64, 2,057.36 and 1,181.60

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Solution

The fourth proportional to 1,492.64, 2,057.36 and 1,181.60 is: 1,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.64 : 2,057.36 = 1,181.60 : x
  2. Step 2: Convert to fraction form
    1,492.64/2,057.36 = 1,181.60/x
  3. Step 3: Cross multiply
    1,492.64x = 2,057.36 × 1,181.60
  4. Step 4: Simplify right side
    1,492.64x = 2,430,976.58
  5. Step 5: Solve for x
    x = 2,430,976.58/1,492.64
  6. Step 6: Final answer
    x = 1,628.64

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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.