Home / 2,438.56-3,649.88-1,326.32

Finding the Fourth Proportional to 2,438.56, 3,649.88 and 1,326.32

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Solution

The fourth proportional to 2,438.56, 3,649.88 and 1,326.32 is: 1,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.56 : 3,649.88 = 1,326.32 : x
  2. Step 2: Convert to fraction form
    2,438.56/3,649.88 = 1,326.32/x
  3. Step 3: Cross multiply
    2,438.56x = 3,649.88 × 1,326.32
  4. Step 4: Simplify right side
    2,438.56x = 4,840,908.84
  5. Step 5: Solve for x
    x = 4,840,908.84/2,438.56
  6. Step 6: Final answer
    x = 1,985.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.