Home / 1,848.66-2,768.73-1,325.40

Finding the Fourth Proportional to 1,848.66, 2,768.73 and 1,325.40

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Solution

The fourth proportional to 1,848.66, 2,768.73 and 1,325.40 is: 1,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.66 : 2,768.73 = 1,325.40 : x
  2. Step 2: Convert to fraction form
    1,848.66/2,768.73 = 1,325.40/x
  3. Step 3: Cross multiply
    1,848.66x = 2,768.73 × 1,325.40
  4. Step 4: Simplify right side
    1,848.66x = 3,669,674.74
  5. Step 5: Solve for x
    x = 3,669,674.74/1,848.66
  6. Step 6: Final answer
    x = 1,985.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.