Home / 3,545.09-5,317.51-1,904.84

Finding the Fourth Proportional to 3,545.09, 5,317.51 and 1,904.84

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Solution

The fourth proportional to 3,545.09, 5,317.51 and 1,904.84 is: 2,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.09 : 5,317.51 = 1,904.84 : x
  2. Step 2: Convert to fraction form
    3,545.09/5,317.51 = 1,904.84/x
  3. Step 3: Cross multiply
    3,545.09x = 5,317.51 × 1,904.84
  4. Step 4: Simplify right side
    3,545.09x = 10,129,005.75
  5. Step 5: Solve for x
    x = 10,129,005.75/3,545.09
  6. Step 6: Final answer
    x = 2,857.19

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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.