Home / 1,840.39-2,539.49-1,094.18

Finding the Fourth Proportional to 1,840.39, 2,539.49 and 1,094.18

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Solution

The fourth proportional to 1,840.39, 2,539.49 and 1,094.18 is: 1,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.39 : 2,539.49 = 1,094.18 : x
  2. Step 2: Convert to fraction form
    1,840.39/2,539.49 = 1,094.18/x
  3. Step 3: Cross multiply
    1,840.39x = 2,539.49 × 1,094.18
  4. Step 4: Simplify right side
    1,840.39x = 2,778,641.00
  5. Step 5: Solve for x
    x = 2,778,641.00/1,840.39
  6. Step 6: Final answer
    x = 1,509.81

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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.