Home / 1,528.84-2,289.68-1,116.94

Finding the Fourth Proportional to 1,528.84, 2,289.68 and 1,116.94

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Solution

The fourth proportional to 1,528.84, 2,289.68 and 1,116.94 is: 1,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.84 : 2,289.68 = 1,116.94 : x
  2. Step 2: Convert to fraction form
    1,528.84/2,289.68 = 1,116.94/x
  3. Step 3: Cross multiply
    1,528.84x = 2,289.68 × 1,116.94
  4. Step 4: Simplify right side
    1,528.84x = 2,557,435.18
  5. Step 5: Solve for x
    x = 2,557,435.18/1,528.84
  6. Step 6: Final answer
    x = 1,672.79

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1.5x scale

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.