Home / 1,802.85-2,704.35-1,109.08

Finding the Fourth Proportional to 1,802.85, 2,704.35 and 1,109.08

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Solution

The fourth proportional to 1,802.85, 2,704.35 and 1,109.08 is: 1,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.85 : 2,704.35 = 1,109.08 : x
  2. Step 2: Convert to fraction form
    1,802.85/2,704.35 = 1,109.08/x
  3. Step 3: Cross multiply
    1,802.85x = 2,704.35 × 1,109.08
  4. Step 4: Simplify right side
    1,802.85x = 2,999,340.50
  5. Step 5: Solve for x
    x = 2,999,340.50/1,802.85
  6. Step 6: Final answer
    x = 1,663.67

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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.