Home / 2,653.13-3,660.93-1,590.65

Finding the Fourth Proportional to 2,653.13, 3,660.93 and 1,590.65

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Solution

The fourth proportional to 2,653.13, 3,660.93 and 1,590.65 is: 2,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.13 : 3,660.93 = 1,590.65 : x
  2. Step 2: Convert to fraction form
    2,653.13/3,660.93 = 1,590.65/x
  3. Step 3: Cross multiply
    2,653.13x = 3,660.93 × 1,590.65
  4. Step 4: Simplify right side
    2,653.13x = 5,823,258.30
  5. Step 5: Solve for x
    x = 5,823,258.30/2,653.13
  6. Step 6: Final answer
    x = 2,194.86

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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.