Home / 2,667.52-4,000.80-1,570.60

Finding the Fourth Proportional to 2,667.52, 4,000.80 and 1,570.60

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Solution

The fourth proportional to 2,667.52, 4,000.80 and 1,570.60 is: 2,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.52 : 4,000.80 = 1,570.60 : x
  2. Step 2: Convert to fraction form
    2,667.52/4,000.80 = 1,570.60/x
  3. Step 3: Cross multiply
    2,667.52x = 4,000.80 × 1,570.60
  4. Step 4: Simplify right side
    2,667.52x = 6,283,656.48
  5. Step 5: Solve for x
    x = 6,283,656.48/2,667.52
  6. Step 6: Final answer
    x = 2,355.62

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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.