Home / 3,558.81-4,917.69-3,085.19

Finding the Fourth Proportional to 3,558.81, 4,917.69 and 3,085.19

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Solution

The fourth proportional to 3,558.81, 4,917.69 and 3,085.19 is: 4,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.81 : 4,917.69 = 3,085.19 : x
  2. Step 2: Convert to fraction form
    3,558.81/4,917.69 = 3,085.19/x
  3. Step 3: Cross multiply
    3,558.81x = 4,917.69 × 3,085.19
  4. Step 4: Simplify right side
    3,558.81x = 15,172,001.86
  5. Step 5: Solve for x
    x = 15,172,001.86/3,558.81
  6. Step 6: Final answer
    x = 4,263.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.