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Finding the Fourth Proportional to 1,419.23, 2,125.06 and 802.01

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Solution

The fourth proportional to 1,419.23, 2,125.06 and 802.01 is: 1,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.23 : 2,125.06 = 802.01 : x
  2. Step 2: Convert to fraction form
    1,419.23/2,125.06 = 802.01/x
  3. Step 3: Cross multiply
    1,419.23x = 2,125.06 × 802.01
  4. Step 4: Simplify right side
    1,419.23x = 1,704,319.37
  5. Step 5: Solve for x
    x = 1,704,319.37/1,419.23
  6. Step 6: Final answer
    x = 1,200.88

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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.