Home / 3,368.36-4,648.28-1,876.28

Finding the Fourth Proportional to 3,368.36, 4,648.28 and 1,876.28

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Solution

The fourth proportional to 3,368.36, 4,648.28 and 1,876.28 is: 2,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.36 : 4,648.28 = 1,876.28 : x
  2. Step 2: Convert to fraction form
    3,368.36/4,648.28 = 1,876.28/x
  3. Step 3: Cross multiply
    3,368.36x = 4,648.28 × 1,876.28
  4. Step 4: Simplify right side
    3,368.36x = 8,721,474.80
  5. Step 5: Solve for x
    x = 8,721,474.80/3,368.36
  6. Step 6: Final answer
    x = 2,589.23

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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.