Home / 2,316.60-3,477.33-1,220.67

Finding the Fourth Proportional to 2,316.60, 3,477.33 and 1,220.67

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Solution

The fourth proportional to 2,316.60, 3,477.33 and 1,220.67 is: 1,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.60 : 3,477.33 = 1,220.67 : x
  2. Step 2: Convert to fraction form
    2,316.60/3,477.33 = 1,220.67/x
  3. Step 3: Cross multiply
    2,316.60x = 3,477.33 × 1,220.67
  4. Step 4: Simplify right side
    2,316.60x = 4,244,672.41
  5. Step 5: Solve for x
    x = 4,244,672.41/2,316.60
  6. Step 6: Final answer
    x = 1,832.29

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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.