Home / 1,754.22-2,631.33-455.67

Finding the Fourth Proportional to 1,754.22, 2,631.33 and 455.67

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Solution

The fourth proportional to 1,754.22, 2,631.33 and 455.67 is: 683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.22 : 2,631.33 = 455.67 : x
  2. Step 2: Convert to fraction form
    1,754.22/2,631.33 = 455.67/x
  3. Step 3: Cross multiply
    1,754.22x = 2,631.33 × 455.67
  4. Step 4: Simplify right side
    1,754.22x = 1,199,018.14
  5. Step 5: Solve for x
    x = 1,199,018.14/1,754.22
  6. Step 6: Final answer
    x = 683.51

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Double scale
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Similar ratio
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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.