Home / 3,436.31-4,739.36-2,386.55

Finding the Fourth Proportional to 3,436.31, 4,739.36 and 2,386.55

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Solution

The fourth proportional to 3,436.31, 4,739.36 and 2,386.55 is: 3,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.31 : 4,739.36 = 2,386.55 : x
  2. Step 2: Convert to fraction form
    3,436.31/4,739.36 = 2,386.55/x
  3. Step 3: Cross multiply
    3,436.31x = 4,739.36 × 2,386.55
  4. Step 4: Simplify right side
    3,436.31x = 11,310,683.98
  5. Step 5: Solve for x
    x = 11,310,683.98/3,436.31
  6. Step 6: Final answer
    x = 3,291.53

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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.