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Finding the Fourth Proportional to 3,368.02, 5,051.95 and 902.83

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Solution

The fourth proportional to 3,368.02, 5,051.95 and 902.83 is: 1,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.02 : 5,051.95 = 902.83 : x
  2. Step 2: Convert to fraction form
    3,368.02/5,051.95 = 902.83/x
  3. Step 3: Cross multiply
    3,368.02x = 5,051.95 × 902.83
  4. Step 4: Simplify right side
    3,368.02x = 4,561,047.50
  5. Step 5: Solve for x
    x = 4,561,047.50/3,368.02
  6. Step 6: Final answer
    x = 1,354.22

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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.