Home / 3,647.22-5,032.58-2,154.93

Finding the Fourth Proportional to 3,647.22, 5,032.58 and 2,154.93

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Solution

The fourth proportional to 3,647.22, 5,032.58 and 2,154.93 is: 2,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.22 : 5,032.58 = 2,154.93 : x
  2. Step 2: Convert to fraction form
    3,647.22/5,032.58 = 2,154.93/x
  3. Step 3: Cross multiply
    3,647.22x = 5,032.58 × 2,154.93
  4. Step 4: Simplify right side
    3,647.22x = 10,844,846.84
  5. Step 5: Solve for x
    x = 10,844,846.84/3,647.22
  6. Step 6: Final answer
    x = 2,973.46

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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.