Home / 2,621.60-3,617.87-1,559.49

Finding the Fourth Proportional to 2,621.60, 3,617.87 and 1,559.49

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Solution

The fourth proportional to 2,621.60, 3,617.87 and 1,559.49 is: 2,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.60 : 3,617.87 = 1,559.49 : x
  2. Step 2: Convert to fraction form
    2,621.60/3,617.87 = 1,559.49/x
  3. Step 3: Cross multiply
    2,621.60x = 3,617.87 × 1,559.49
  4. Step 4: Simplify right side
    2,621.60x = 5,642,032.09
  5. Step 5: Solve for x
    x = 5,642,032.09/2,621.60
  6. Step 6: Final answer
    x = 2,152.13

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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.