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Finding the Fourth Proportional to 1,807.01, 2,706.25 and 883.20

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Solution

The fourth proportional to 1,807.01, 2,706.25 and 883.20 is: 1,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.01 : 2,706.25 = 883.20 : x
  2. Step 2: Convert to fraction form
    1,807.01/2,706.25 = 883.20/x
  3. Step 3: Cross multiply
    1,807.01x = 2,706.25 × 883.20
  4. Step 4: Simplify right side
    1,807.01x = 2,390,160
  5. Step 5: Solve for x
    x = 2,390,160/1,807.01
  6. Step 6: Final answer
    x = 1,322.72

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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.