Home / 2,017.12-2,783.58-1,132.90

Finding the Fourth Proportional to 2,017.12, 2,783.58 and 1,132.90

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Solution

The fourth proportional to 2,017.12, 2,783.58 and 1,132.90 is: 1,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.12 : 2,783.58 = 1,132.90 : x
  2. Step 2: Convert to fraction form
    2,017.12/2,783.58 = 1,132.90/x
  3. Step 3: Cross multiply
    2,017.12x = 2,783.58 × 1,132.90
  4. Step 4: Simplify right side
    2,017.12x = 3,153,517.78
  5. Step 5: Solve for x
    x = 3,153,517.78/2,017.12
  6. Step 6: Final answer
    x = 1,563.38

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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.