Home / 1,528.30-2,106.03-1,084.96

Finding the Fourth Proportional to 1,528.30, 2,106.03 and 1,084.96

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Solution

The fourth proportional to 1,528.30, 2,106.03 and 1,084.96 is: 1,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.30 : 2,106.03 = 1,084.96 : x
  2. Step 2: Convert to fraction form
    1,528.30/2,106.03 = 1,084.96/x
  3. Step 3: Cross multiply
    1,528.30x = 2,106.03 × 1,084.96
  4. Step 4: Simplify right side
    1,528.30x = 2,284,958.31
  5. Step 5: Solve for x
    x = 2,284,958.31/1,528.30
  6. Step 6: Final answer
    x = 1,495.10

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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.