Home / 1,671.24-2,516.64-1,212.24

Finding the Fourth Proportional to 1,671.24, 2,516.64 and 1,212.24

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Solution

The fourth proportional to 1,671.24, 2,516.64 and 1,212.24 is: 1,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.24 : 2,516.64 = 1,212.24 : x
  2. Step 2: Convert to fraction form
    1,671.24/2,516.64 = 1,212.24/x
  3. Step 3: Cross multiply
    1,671.24x = 2,516.64 × 1,212.24
  4. Step 4: Simplify right side
    1,671.24x = 3,050,771.67
  5. Step 5: Solve for x
    x = 3,050,771.67/1,671.24
  6. Step 6: Final answer
    x = 1,825.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.