Home / 2,628.40-3,626.48-2,097.04

Finding the Fourth Proportional to 2,628.40, 3,626.48 and 2,097.04

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Solution

The fourth proportional to 2,628.40, 3,626.48 and 2,097.04 is: 2,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.40 : 3,626.48 = 2,097.04 : x
  2. Step 2: Convert to fraction form
    2,628.40/3,626.48 = 2,097.04/x
  3. Step 3: Cross multiply
    2,628.40x = 3,626.48 × 2,097.04
  4. Step 4: Simplify right side
    2,628.40x = 7,604,873.62
  5. Step 5: Solve for x
    x = 7,604,873.62/2,628.40
  6. Step 6: Final answer
    x = 2,893.35

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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.