Home / 3,688.93-5,534.16-1,223.62

Finding the Fourth Proportional to 3,688.93, 5,534.16 and 1,223.62

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Solution

The fourth proportional to 3,688.93, 5,534.16 and 1,223.62 is: 1,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.93 : 5,534.16 = 1,223.62 : x
  2. Step 2: Convert to fraction form
    3,688.93/5,534.16 = 1,223.62/x
  3. Step 3: Cross multiply
    3,688.93x = 5,534.16 × 1,223.62
  4. Step 4: Simplify right side
    3,688.93x = 6,771,708.86
  5. Step 5: Solve for x
    x = 6,771,708.86/3,688.93
  6. Step 6: Final answer
    x = 1,835.68

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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.