Home / 1,840.19-2,539.51-1,043.49

Finding the Fourth Proportional to 1,840.19, 2,539.51 and 1,043.49

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Solution

The fourth proportional to 1,840.19, 2,539.51 and 1,043.49 is: 1,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.19 : 2,539.51 = 1,043.49 : x
  2. Step 2: Convert to fraction form
    1,840.19/2,539.51 = 1,043.49/x
  3. Step 3: Cross multiply
    1,840.19x = 2,539.51 × 1,043.49
  4. Step 4: Simplify right side
    1,840.19x = 2,649,960.20
  5. Step 5: Solve for x
    x = 2,649,960.20/1,840.19
  6. Step 6: Final answer
    x = 1,440.05

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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.