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Finding the Fourth Proportional to 1,094.10, 1,509.78 and 652.04

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Solution

The fourth proportional to 1,094.10, 1,509.78 and 652.04 is: 899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.10 : 1,509.78 = 652.04 : x
  2. Step 2: Convert to fraction form
    1,094.10/1,509.78 = 652.04/x
  3. Step 3: Cross multiply
    1,094.10x = 1,509.78 × 652.04
  4. Step 4: Simplify right side
    1,094.10x = 984,436.95
  5. Step 5: Solve for x
    x = 984,436.95/1,094.10
  6. Step 6: Final answer
    x = 899.77

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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.