Home / 1,904.23-2,628.35-1,157.95

Finding the Fourth Proportional to 1,904.23, 2,628.35 and 1,157.95

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Solution

The fourth proportional to 1,904.23, 2,628.35 and 1,157.95 is: 1,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.23 : 2,628.35 = 1,157.95 : x
  2. Step 2: Convert to fraction form
    1,904.23/2,628.35 = 1,157.95/x
  3. Step 3: Cross multiply
    1,904.23x = 2,628.35 × 1,157.95
  4. Step 4: Simplify right side
    1,904.23x = 3,043,497.88
  5. Step 5: Solve for x
    x = 3,043,497.88/1,904.23
  6. Step 6: Final answer
    x = 1,598.28

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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.