Home / 3,331.76-4,595.78-2,670.19

Finding the Fourth Proportional to 3,331.76, 4,595.78 and 2,670.19

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Solution

The fourth proportional to 3,331.76, 4,595.78 and 2,670.19 is: 3,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.76 : 4,595.78 = 2,670.19 : x
  2. Step 2: Convert to fraction form
    3,331.76/4,595.78 = 2,670.19/x
  3. Step 3: Cross multiply
    3,331.76x = 4,595.78 × 2,670.19
  4. Step 4: Simplify right side
    3,331.76x = 12,271,595.14
  5. Step 5: Solve for x
    x = 12,271,595.14/3,331.76
  6. Step 6: Final answer
    x = 3,683.22

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Half scale
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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.