Home / 3,590.83-5,386.41-1,125.67

Finding the Fourth Proportional to 3,590.83, 5,386.41 and 1,125.67

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Solution

The fourth proportional to 3,590.83, 5,386.41 and 1,125.67 is: 1,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.83 : 5,386.41 = 1,125.67 : x
  2. Step 2: Convert to fraction form
    3,590.83/5,386.41 = 1,125.67/x
  3. Step 3: Cross multiply
    3,590.83x = 5,386.41 × 1,125.67
  4. Step 4: Simplify right side
    3,590.83x = 6,063,293.21
  5. Step 5: Solve for x
    x = 6,063,293.21/3,590.83
  6. Step 6: Final answer
    x = 1,688.55

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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.