Home / 1,434.65-1,975.74-1,233.95

Finding the Fourth Proportional to 1,434.65, 1,975.74 and 1,233.95

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Solution

The fourth proportional to 1,434.65, 1,975.74 and 1,233.95 is: 1,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.65 : 1,975.74 = 1,233.95 : x
  2. Step 2: Convert to fraction form
    1,434.65/1,975.74 = 1,233.95/x
  3. Step 3: Cross multiply
    1,434.65x = 1,975.74 × 1,233.95
  4. Step 4: Simplify right side
    1,434.65x = 2,437,964.37
  5. Step 5: Solve for x
    x = 2,437,964.37/1,434.65
  6. Step 6: Final answer
    x = 1,699.34

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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.