Home / 1,659.96-2,291.10-1,136.64

Finding the Fourth Proportional to 1,659.96, 2,291.10 and 1,136.64

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Solution

The fourth proportional to 1,659.96, 2,291.10 and 1,136.64 is: 1,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.96 : 2,291.10 = 1,136.64 : x
  2. Step 2: Convert to fraction form
    1,659.96/2,291.10 = 1,136.64/x
  3. Step 3: Cross multiply
    1,659.96x = 2,291.10 × 1,136.64
  4. Step 4: Simplify right side
    1,659.96x = 2,604,155.90
  5. Step 5: Solve for x
    x = 2,604,155.90/1,659.96
  6. Step 6: Final answer
    x = 1,568.81

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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.