Home / 2,657.15-3,666.99-1,478.60

Finding the Fourth Proportional to 2,657.15, 3,666.99 and 1,478.60

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Solution

The fourth proportional to 2,657.15, 3,666.99 and 1,478.60 is: 2,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.15 : 3,666.99 = 1,478.60 : x
  2. Step 2: Convert to fraction form
    2,657.15/3,666.99 = 1,478.60/x
  3. Step 3: Cross multiply
    2,657.15x = 3,666.99 × 1,478.60
  4. Step 4: Simplify right side
    2,657.15x = 5,422,011.41
  5. Step 5: Solve for x
    x = 5,422,011.41/2,657.15
  6. Step 6: Final answer
    x = 2,040.54

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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.