Home / 1,660.33-2,291.26-914.27

Finding the Fourth Proportional to 1,660.33, 2,291.26 and 914.27

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Solution

The fourth proportional to 1,660.33, 2,291.26 and 914.27 is: 1,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.33 : 2,291.26 = 914.27 : x
  2. Step 2: Convert to fraction form
    1,660.33/2,291.26 = 914.27/x
  3. Step 3: Cross multiply
    1,660.33x = 2,291.26 × 914.27
  4. Step 4: Simplify right side
    1,660.33x = 2,094,833.71
  5. Step 5: Solve for x
    x = 2,094,833.71/1,660.33
  6. Step 6: Final answer
    x = 1,261.70

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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.