Home / 2,219.10-3,059.84-1,658.64

Finding the Fourth Proportional to 2,219.10, 3,059.84 and 1,658.64

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Solution

The fourth proportional to 2,219.10, 3,059.84 and 1,658.64 is: 2,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.10 : 3,059.84 = 1,658.64 : x
  2. Step 2: Convert to fraction form
    2,219.10/3,059.84 = 1,658.64/x
  3. Step 3: Cross multiply
    2,219.10x = 3,059.84 × 1,658.64
  4. Step 4: Simplify right side
    2,219.10x = 5,075,173.02
  5. Step 5: Solve for x
    x = 5,075,173.02/2,219.10
  6. Step 6: Final answer
    x = 2,287.04

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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.