Home / 1,848.25-2,775.13-1,815.45

Finding the Fourth Proportional to 1,848.25, 2,775.13 and 1,815.45

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Solution

The fourth proportional to 1,848.25, 2,775.13 and 1,815.45 is: 2,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.25 : 2,775.13 = 1,815.45 : x
  2. Step 2: Convert to fraction form
    1,848.25/2,775.13 = 1,815.45/x
  3. Step 3: Cross multiply
    1,848.25x = 2,775.13 × 1,815.45
  4. Step 4: Simplify right side
    1,848.25x = 5,038,094.81
  5. Step 5: Solve for x
    x = 5,038,094.81/1,848.25
  6. Step 6: Final answer
    x = 2,725.87

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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.