Home / 3,545.95-5,317.38-1,205.32

Finding the Fourth Proportional to 3,545.95, 5,317.38 and 1,205.32

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Solution

The fourth proportional to 3,545.95, 5,317.38 and 1,205.32 is: 1,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.95 : 5,317.38 = 1,205.32 : x
  2. Step 2: Convert to fraction form
    3,545.95/5,317.38 = 1,205.32/x
  3. Step 3: Cross multiply
    3,545.95x = 5,317.38 × 1,205.32
  4. Step 4: Simplify right side
    3,545.95x = 6,409,172.39
  5. Step 5: Solve for x
    x = 6,409,172.39/3,545.95
  6. Step 6: Final answer
    x = 1,807.46

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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.