Home / 1,935.16-2,902.74-474.31

Finding the Fourth Proportional to 1,935.16, 2,902.74 and 474.31

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Solution

The fourth proportional to 1,935.16, 2,902.74 and 474.31 is: 711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.16 : 2,902.74 = 474.31 : x
  2. Step 2: Convert to fraction form
    1,935.16/2,902.74 = 474.31/x
  3. Step 3: Cross multiply
    1,935.16x = 2,902.74 × 474.31
  4. Step 4: Simplify right side
    1,935.16x = 1,376,798.61
  5. Step 5: Solve for x
    x = 1,376,798.61/1,935.16
  6. Step 6: Final answer
    x = 711.47

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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.