Home / 2,621.70-3,617.46-1,783.08

Finding the Fourth Proportional to 2,621.70, 3,617.46 and 1,783.08

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Solution

The fourth proportional to 2,621.70, 3,617.46 and 1,783.08 is: 2,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.70 : 3,617.46 = 1,783.08 : x
  2. Step 2: Convert to fraction form
    2,621.70/3,617.46 = 1,783.08/x
  3. Step 3: Cross multiply
    2,621.70x = 3,617.46 × 1,783.08
  4. Step 4: Simplify right side
    2,621.70x = 6,450,220.58
  5. Step 5: Solve for x
    x = 6,450,220.58/2,621.70
  6. Step 6: Final answer
    x = 2,460.32

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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.