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Finding the Fourth Proportional to 1,094.03, 1,509.80 and 651.98

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Solution

The fourth proportional to 1,094.03, 1,509.80 and 651.98 is: 899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.03 : 1,509.80 = 651.98 : x
  2. Step 2: Convert to fraction form
    1,094.03/1,509.80 = 651.98/x
  3. Step 3: Cross multiply
    1,094.03x = 1,509.80 × 651.98
  4. Step 4: Simplify right side
    1,094.03x = 984,348.60
  5. Step 5: Solve for x
    x = 984,348.60/1,094.03
  6. Step 6: Final answer
    x = 899.75

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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.