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Finding the Fourth Proportional to 1,935.07, 2,902.25 and 946.89

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Solution

The fourth proportional to 1,935.07, 2,902.25 and 946.89 is: 1,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.07 : 2,902.25 = 946.89 : x
  2. Step 2: Convert to fraction form
    1,935.07/2,902.25 = 946.89/x
  3. Step 3: Cross multiply
    1,935.07x = 2,902.25 × 946.89
  4. Step 4: Simplify right side
    1,935.07x = 2,748,108.54
  5. Step 5: Solve for x
    x = 2,748,108.54/1,935.07
  6. Step 6: Final answer
    x = 1,420.16

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1.5x scale

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.