Home / 4,178.39-6,265.15-1,580.72

Finding the Fourth Proportional to 4,178.39, 6,265.15 and 1,580.72

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Solution

The fourth proportional to 4,178.39, 6,265.15 and 1,580.72 is: 2,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.39 : 6,265.15 = 1,580.72 : x
  2. Step 2: Convert to fraction form
    4,178.39/6,265.15 = 1,580.72/x
  3. Step 3: Cross multiply
    4,178.39x = 6,265.15 × 1,580.72
  4. Step 4: Simplify right side
    4,178.39x = 9,903,412.63
  5. Step 5: Solve for x
    x = 9,903,412.63/4,178.39
  6. Step 6: Final answer
    x = 2,370.15

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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.