Home / 1,890.48-2,835.88-1,069.16

Finding the Fourth Proportional to 1,890.48, 2,835.88 and 1,069.16

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Solution

The fourth proportional to 1,890.48, 2,835.88 and 1,069.16 is: 1,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.48 : 2,835.88 = 1,069.16 : x
  2. Step 2: Convert to fraction form
    1,890.48/2,835.88 = 1,069.16/x
  3. Step 3: Cross multiply
    1,890.48x = 2,835.88 × 1,069.16
  4. Step 4: Simplify right side
    1,890.48x = 3,032,009.46
  5. Step 5: Solve for x
    x = 3,032,009.46/1,890.48
  6. Step 6: Final answer
    x = 1,603.83

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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.