Home / 3,368.83-4,649.08-2,109.77

Finding the Fourth Proportional to 3,368.83, 4,649.08 and 2,109.77

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Solution

The fourth proportional to 3,368.83, 4,649.08 and 2,109.77 is: 2,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.83 : 4,649.08 = 2,109.77 : x
  2. Step 2: Convert to fraction form
    3,368.83/4,649.08 = 2,109.77/x
  3. Step 3: Cross multiply
    3,368.83x = 4,649.08 × 2,109.77
  4. Step 4: Simplify right side
    3,368.83x = 9,808,504.36
  5. Step 5: Solve for x
    x = 9,808,504.36/3,368.83
  6. Step 6: Final answer
    x = 2,911.54

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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.