Home / 1,873.60-2,585.55-1,076.89

Finding the Fourth Proportional to 1,873.60, 2,585.55 and 1,076.89

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Solution

The fourth proportional to 1,873.60, 2,585.55 and 1,076.89 is: 1,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.60 : 2,585.55 = 1,076.89 : x
  2. Step 2: Convert to fraction form
    1,873.60/2,585.55 = 1,076.89/x
  3. Step 3: Cross multiply
    1,873.60x = 2,585.55 × 1,076.89
  4. Step 4: Simplify right side
    1,873.60x = 2,784,352.94
  5. Step 5: Solve for x
    x = 2,784,352.94/1,873.60
  6. Step 6: Final answer
    x = 1,486.10

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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.