Home / 2,210.87-3,317.93-1,783.19

Finding the Fourth Proportional to 2,210.87, 3,317.93 and 1,783.19

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Solution

The fourth proportional to 2,210.87, 3,317.93 and 1,783.19 is: 2,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.87 : 3,317.93 = 1,783.19 : x
  2. Step 2: Convert to fraction form
    2,210.87/3,317.93 = 1,783.19/x
  3. Step 3: Cross multiply
    2,210.87x = 3,317.93 × 1,783.19
  4. Step 4: Simplify right side
    2,210.87x = 5,916,499.60
  5. Step 5: Solve for x
    x = 5,916,499.60/2,210.87
  6. Step 6: Final answer
    x = 2,676.10

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1.5x scale

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.