Home / 1,648.32-2,273.64-1,059.60

Finding the Fourth Proportional to 1,648.32, 2,273.64 and 1,059.60

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Solution

The fourth proportional to 1,648.32, 2,273.64 and 1,059.60 is: 1,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.32 : 2,273.64 = 1,059.60 : x
  2. Step 2: Convert to fraction form
    1,648.32/2,273.64 = 1,059.60/x
  3. Step 3: Cross multiply
    1,648.32x = 2,273.64 × 1,059.60
  4. Step 4: Simplify right side
    1,648.32x = 2,409,148.94
  5. Step 5: Solve for x
    x = 2,409,148.94/1,648.32
  6. Step 6: Final answer
    x = 1,461.58

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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.