Home / 2,024.96-2,794.34-1,128.64

Finding the Fourth Proportional to 2,024.96, 2,794.34 and 1,128.64

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Solution

The fourth proportional to 2,024.96, 2,794.34 and 1,128.64 is: 1,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.96 : 2,794.34 = 1,128.64 : x
  2. Step 2: Convert to fraction form
    2,024.96/2,794.34 = 1,128.64/x
  3. Step 3: Cross multiply
    2,024.96x = 2,794.34 × 1,128.64
  4. Step 4: Simplify right side
    2,024.96x = 3,153,803.90
  5. Step 5: Solve for x
    x = 3,153,803.90/2,024.96
  6. Step 6: Final answer
    x = 1,557.46

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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.