Home / 2,629.60-3,653.75-2,602.18

Finding the Fourth Proportional to 2,629.60, 3,653.75 and 2,602.18

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Solution

The fourth proportional to 2,629.60, 3,653.75 and 2,602.18 is: 3,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.60 : 3,653.75 = 2,602.18 : x
  2. Step 2: Convert to fraction form
    2,629.60/3,653.75 = 2,602.18/x
  3. Step 3: Cross multiply
    2,629.60x = 3,653.75 × 2,602.18
  4. Step 4: Simplify right side
    2,629.60x = 9,507,715.18
  5. Step 5: Solve for x
    x = 9,507,715.18/2,629.60
  6. Step 6: Final answer
    x = 3,615.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.