Home / 1,870.88-2,582.70-1,084.64

Finding the Fourth Proportional to 1,870.88, 2,582.70 and 1,084.64

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Solution

The fourth proportional to 1,870.88, 2,582.70 and 1,084.64 is: 1,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.88 : 2,582.70 = 1,084.64 : x
  2. Step 2: Convert to fraction form
    1,870.88/2,582.70 = 1,084.64/x
  3. Step 3: Cross multiply
    1,870.88x = 2,582.70 × 1,084.64
  4. Step 4: Simplify right side
    1,870.88x = 2,801,299.73
  5. Step 5: Solve for x
    x = 2,801,299.73/1,870.88
  6. Step 6: Final answer
    x = 1,497.32

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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.