Home / 1,207.07-1,665.81-944.63

Finding the Fourth Proportional to 1,207.07, 1,665.81 and 944.63

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Solution

The fourth proportional to 1,207.07, 1,665.81 and 944.63 is: 1,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.07 : 1,665.81 = 944.63 : x
  2. Step 2: Convert to fraction form
    1,207.07/1,665.81 = 944.63/x
  3. Step 3: Cross multiply
    1,207.07x = 1,665.81 × 944.63
  4. Step 4: Simplify right side
    1,207.07x = 1,573,565.77
  5. Step 5: Solve for x
    x = 1,573,565.77/1,207.07
  6. Step 6: Final answer
    x = 1,303.63

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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.