Home / 2,081.66-3,123.57-1,509.26

Finding the Fourth Proportional to 2,081.66, 3,123.57 and 1,509.26

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Solution

The fourth proportional to 2,081.66, 3,123.57 and 1,509.26 is: 2,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.66 : 3,123.57 = 1,509.26 : x
  2. Step 2: Convert to fraction form
    2,081.66/3,123.57 = 1,509.26/x
  3. Step 3: Cross multiply
    2,081.66x = 3,123.57 × 1,509.26
  4. Step 4: Simplify right side
    2,081.66x = 4,714,279.26
  5. Step 5: Solve for x
    x = 4,714,279.26/2,081.66
  6. Step 6: Final answer
    x = 2,264.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.