Home / 3,545.54-5,317.98-1,206.86

Finding the Fourth Proportional to 3,545.54, 5,317.98 and 1,206.86

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Solution

The fourth proportional to 3,545.54, 5,317.98 and 1,206.86 is: 1,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.54 : 5,317.98 = 1,206.86 : x
  2. Step 2: Convert to fraction form
    3,545.54/5,317.98 = 1,206.86/x
  3. Step 3: Cross multiply
    3,545.54x = 5,317.98 × 1,206.86
  4. Step 4: Simplify right side
    3,545.54x = 6,418,030.75
  5. Step 5: Solve for x
    x = 6,418,030.75/3,545.54
  6. Step 6: Final answer
    x = 1,810.17

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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.