Home / 1,656.03-2,285.36-909.98

Finding the Fourth Proportional to 1,656.03, 2,285.36 and 909.98

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Solution

The fourth proportional to 1,656.03, 2,285.36 and 909.98 is: 1,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.03 : 2,285.36 = 909.98 : x
  2. Step 2: Convert to fraction form
    1,656.03/2,285.36 = 909.98/x
  3. Step 3: Cross multiply
    1,656.03x = 2,285.36 × 909.98
  4. Step 4: Simplify right side
    1,656.03x = 2,079,631.89
  5. Step 5: Solve for x
    x = 2,079,631.89/1,656.03
  6. Step 6: Final answer
    x = 1,255.79

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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.