Home / 2,515.90-3,775.32-1,054.93

Finding the Fourth Proportional to 2,515.90, 3,775.32 and 1,054.93

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Solution

The fourth proportional to 2,515.90, 3,775.32 and 1,054.93 is: 1,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.90 : 3,775.32 = 1,054.93 : x
  2. Step 2: Convert to fraction form
    2,515.90/3,775.32 = 1,054.93/x
  3. Step 3: Cross multiply
    2,515.90x = 3,775.32 × 1,054.93
  4. Step 4: Simplify right side
    2,515.90x = 3,982,698.33
  5. Step 5: Solve for x
    x = 3,982,698.33/2,515.90
  6. Step 6: Final answer
    x = 1,583.01

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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.