Home / 2,629.68-3,925.56-2,285.40

Finding the Fourth Proportional to 2,629.68, 3,925.56 and 2,285.40

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Solution

The fourth proportional to 2,629.68, 3,925.56 and 2,285.40 is: 3,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.68 : 3,925.56 = 2,285.40 : x
  2. Step 2: Convert to fraction form
    2,629.68/3,925.56 = 2,285.40/x
  3. Step 3: Cross multiply
    2,629.68x = 3,925.56 × 2,285.40
  4. Step 4: Simplify right side
    2,629.68x = 8,971,474.82
  5. Step 5: Solve for x
    x = 8,971,474.82/2,629.68
  6. Step 6: Final answer
    x = 3,411.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.