Home / 3,545.98-5,319.83-1,080.67

Finding the Fourth Proportional to 3,545.98, 5,319.83 and 1,080.67

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Solution

The fourth proportional to 3,545.98, 5,319.83 and 1,080.67 is: 1,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.98 : 5,319.83 = 1,080.67 : x
  2. Step 2: Convert to fraction form
    3,545.98/5,319.83 = 1,080.67/x
  3. Step 3: Cross multiply
    3,545.98x = 5,319.83 × 1,080.67
  4. Step 4: Simplify right side
    3,545.98x = 5,748,948.68
  5. Step 5: Solve for x
    x = 5,748,948.68/3,545.98
  6. Step 6: Final answer
    x = 1,621.26

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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.