Home / 2,438.84-3,366.90-1,507.88

Finding the Fourth Proportional to 2,438.84, 3,366.90 and 1,507.88

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Solution

The fourth proportional to 2,438.84, 3,366.90 and 1,507.88 is: 2,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.84 : 3,366.90 = 1,507.88 : x
  2. Step 2: Convert to fraction form
    2,438.84/3,366.90 = 1,507.88/x
  3. Step 3: Cross multiply
    2,438.84x = 3,366.90 × 1,507.88
  4. Step 4: Simplify right side
    2,438.84x = 5,076,881.17
  5. Step 5: Solve for x
    x = 5,076,881.17/2,438.84
  6. Step 6: Final answer
    x = 2,081.68

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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.