Home / 2,643.07-3,644.12-1,697.19

Finding the Fourth Proportional to 2,643.07, 3,644.12 and 1,697.19

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Solution

The fourth proportional to 2,643.07, 3,644.12 and 1,697.19 is: 2,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.07 : 3,644.12 = 1,697.19 : x
  2. Step 2: Convert to fraction form
    2,643.07/3,644.12 = 1,697.19/x
  3. Step 3: Cross multiply
    2,643.07x = 3,644.12 × 1,697.19
  4. Step 4: Simplify right side
    2,643.07x = 6,184,768.27
  5. Step 5: Solve for x
    x = 6,184,768.27/2,643.07
  6. Step 6: Final answer
    x = 2,340.00

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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.