Home / 2,904.58-4,006.82-1,840.55

Finding the Fourth Proportional to 2,904.58, 4,006.82 and 1,840.55

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Solution

The fourth proportional to 2,904.58, 4,006.82 and 1,840.55 is: 2,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.58 : 4,006.82 = 1,840.55 : x
  2. Step 2: Convert to fraction form
    2,904.58/4,006.82 = 1,840.55/x
  3. Step 3: Cross multiply
    2,904.58x = 4,006.82 × 1,840.55
  4. Step 4: Simplify right side
    2,904.58x = 7,374,743.35
  5. Step 5: Solve for x
    x = 7,374,743.35/2,904.58
  6. Step 6: Final answer
    x = 2,539.01

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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.