Home / 1,840.59-2,540.30-1,054.89

Finding the Fourth Proportional to 1,840.59, 2,540.30 and 1,054.89

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Solution

The fourth proportional to 1,840.59, 2,540.30 and 1,054.89 is: 1,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.59 : 2,540.30 = 1,054.89 : x
  2. Step 2: Convert to fraction form
    1,840.59/2,540.30 = 1,054.89/x
  3. Step 3: Cross multiply
    1,840.59x = 2,540.30 × 1,054.89
  4. Step 4: Simplify right side
    1,840.59x = 2,679,731.79
  5. Step 5: Solve for x
    x = 2,679,731.79/1,840.59
  6. Step 6: Final answer
    x = 1,455.91

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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.