Home / 1,884.18-2,600.19-1,098.30

Finding the Fourth Proportional to 1,884.18, 2,600.19 and 1,098.30

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Solution

The fourth proportional to 1,884.18, 2,600.19 and 1,098.30 is: 1,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.18 : 2,600.19 = 1,098.30 : x
  2. Step 2: Convert to fraction form
    1,884.18/2,600.19 = 1,098.30/x
  3. Step 3: Cross multiply
    1,884.18x = 2,600.19 × 1,098.30
  4. Step 4: Simplify right side
    1,884.18x = 2,855,788.68
  5. Step 5: Solve for x
    x = 2,855,788.68/1,884.18
  6. Step 6: Final answer
    x = 1,515.67

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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.