Home / 1,025.17-1,537.75-255.67

Finding the Fourth Proportional to 1,025.17, 1,537.75 and 255.67

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Solution

The fourth proportional to 1,025.17, 1,537.75 and 255.67 is: 383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.17 : 1,537.75 = 255.67 : x
  2. Step 2: Convert to fraction form
    1,025.17/1,537.75 = 255.67/x
  3. Step 3: Cross multiply
    1,025.17x = 1,537.75 × 255.67
  4. Step 4: Simplify right side
    1,025.17x = 393,147.58
  5. Step 5: Solve for x
    x = 393,147.58/1,025.17
  6. Step 6: Final answer
    x = 383.50

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Half scale
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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.