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Finding the Fourth Proportional to 1,094.29, 1,510.12 and 652.40

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Solution

The fourth proportional to 1,094.29, 1,510.12 and 652.40 is: 900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.29 : 1,510.12 = 652.40 : x
  2. Step 2: Convert to fraction form
    1,094.29/1,510.12 = 652.40/x
  3. Step 3: Cross multiply
    1,094.29x = 1,510.12 × 652.40
  4. Step 4: Simplify right side
    1,094.29x = 985,202.29
  5. Step 5: Solve for x
    x = 985,202.29/1,094.29
  6. Step 6: Final answer
    x = 900.31

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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.