Home / 3,545.04-5,317.62-2,085.22

Finding the Fourth Proportional to 3,545.04, 5,317.62 and 2,085.22

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Solution

The fourth proportional to 3,545.04, 5,317.62 and 2,085.22 is: 3,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.04 : 5,317.62 = 2,085.22 : x
  2. Step 2: Convert to fraction form
    3,545.04/5,317.62 = 2,085.22/x
  3. Step 3: Cross multiply
    3,545.04x = 5,317.62 × 2,085.22
  4. Step 4: Simplify right side
    3,545.04x = 11,088,407.58
  5. Step 5: Solve for x
    x = 11,088,407.58/3,545.04
  6. Step 6: Final answer
    x = 3,127.87

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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.