Home / 2,580.65-3,561.31-1,518.36

Finding the Fourth Proportional to 2,580.65, 3,561.31 and 1,518.36

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Solution

The fourth proportional to 2,580.65, 3,561.31 and 1,518.36 is: 2,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.65 : 3,561.31 = 1,518.36 : x
  2. Step 2: Convert to fraction form
    2,580.65/3,561.31 = 1,518.36/x
  3. Step 3: Cross multiply
    2,580.65x = 3,561.31 × 1,518.36
  4. Step 4: Simplify right side
    2,580.65x = 5,407,350.65
  5. Step 5: Solve for x
    x = 5,407,350.65/2,580.65
  6. Step 6: Final answer
    x = 2,095.34

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1.5x scale

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.