Home / 3,368.09-4,647.95-1,876.03

Finding the Fourth Proportional to 3,368.09, 4,647.95 and 1,876.03

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Solution

The fourth proportional to 3,368.09, 4,647.95 and 1,876.03 is: 2,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.09 : 4,647.95 = 1,876.03 : x
  2. Step 2: Convert to fraction form
    3,368.09/4,647.95 = 1,876.03/x
  3. Step 3: Cross multiply
    3,368.09x = 4,647.95 × 1,876.03
  4. Step 4: Simplify right side
    3,368.09x = 8,719,670.40
  5. Step 5: Solve for x
    x = 8,719,670.40/3,368.09
  6. Step 6: Final answer
    x = 2,588.91

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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.