Home / 1,648.20-2,274.12-1,059.54

Finding the Fourth Proportional to 1,648.20, 2,274.12 and 1,059.54

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Solution

The fourth proportional to 1,648.20, 2,274.12 and 1,059.54 is: 1,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.20 : 2,274.12 = 1,059.54 : x
  2. Step 2: Convert to fraction form
    1,648.20/2,274.12 = 1,059.54/x
  3. Step 3: Cross multiply
    1,648.20x = 2,274.12 × 1,059.54
  4. Step 4: Simplify right side
    1,648.20x = 2,409,521.10
  5. Step 5: Solve for x
    x = 2,409,521.10/1,648.20
  6. Step 6: Final answer
    x = 1,461.91

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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.