Home / 3,973.98-5,484-2,205.58

Finding the Fourth Proportional to 3,973.98, 5,484 and 2,205.58

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Solution

The fourth proportional to 3,973.98, 5,484 and 2,205.58 is: 3,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.98 : 5,484 = 2,205.58 : x
  2. Step 2: Convert to fraction form
    3,973.98/5,484 = 2,205.58/x
  3. Step 3: Cross multiply
    3,973.98x = 5,484 × 2,205.58
  4. Step 4: Simplify right side
    3,973.98x = 12,095,400.72
  5. Step 5: Solve for x
    x = 12,095,400.72/3,973.98
  6. Step 6: Final answer
    x = 3,043.65

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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.