Home / 2,643.04-3,641.26-2,200.17

Finding the Fourth Proportional to 2,643.04, 3,641.26 and 2,200.17

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Solution

The fourth proportional to 2,643.04, 3,641.26 and 2,200.17 is: 3,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.04 : 3,641.26 = 2,200.17 : x
  2. Step 2: Convert to fraction form
    2,643.04/3,641.26 = 2,200.17/x
  3. Step 3: Cross multiply
    2,643.04x = 3,641.26 × 2,200.17
  4. Step 4: Simplify right side
    2,643.04x = 8,011,391.01
  5. Step 5: Solve for x
    x = 8,011,391.01/2,643.04
  6. Step 6: Final answer
    x = 3,031.13

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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.