Home / 1,660.26-2,291.58-1,136.46

Finding the Fourth Proportional to 1,660.26, 2,291.58 and 1,136.46

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Solution

The fourth proportional to 1,660.26, 2,291.58 and 1,136.46 is: 1,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.26 : 2,291.58 = 1,136.46 : x
  2. Step 2: Convert to fraction form
    1,660.26/2,291.58 = 1,136.46/x
  3. Step 3: Cross multiply
    1,660.26x = 2,291.58 × 1,136.46
  4. Step 4: Simplify right side
    1,660.26x = 2,604,289.01
  5. Step 5: Solve for x
    x = 2,604,289.01/1,660.26
  6. Step 6: Final answer
    x = 1,568.60

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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.