Home / 3,437.32-4,743.50-1,865.40

Finding the Fourth Proportional to 3,437.32, 4,743.50 and 1,865.40

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Solution

The fourth proportional to 3,437.32, 4,743.50 and 1,865.40 is: 2,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.32 : 4,743.50 = 1,865.40 : x
  2. Step 2: Convert to fraction form
    3,437.32/4,743.50 = 1,865.40/x
  3. Step 3: Cross multiply
    3,437.32x = 4,743.50 × 1,865.40
  4. Step 4: Simplify right side
    3,437.32x = 8,848,524.90
  5. Step 5: Solve for x
    x = 8,848,524.90/3,437.32
  6. Step 6: Final answer
    x = 2,574.25

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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.