Home / 2,210.87-3,043.90-1,766.18

Finding the Fourth Proportional to 2,210.87, 3,043.90 and 1,766.18

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Solution

The fourth proportional to 2,210.87, 3,043.90 and 1,766.18 is: 2,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.87 : 3,043.90 = 1,766.18 : x
  2. Step 2: Convert to fraction form
    2,210.87/3,043.90 = 1,766.18/x
  3. Step 3: Cross multiply
    2,210.87x = 3,043.90 × 1,766.18
  4. Step 4: Simplify right side
    2,210.87x = 5,376,075.30
  5. Step 5: Solve for x
    x = 5,376,075.30/2,210.87
  6. Step 6: Final answer
    x = 2,431.66

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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.