Home / 1,053.31-1,579.97-283.81

Finding the Fourth Proportional to 1,053.31, 1,579.97 and 283.81

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Solution

The fourth proportional to 1,053.31, 1,579.97 and 283.81 is: 425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.31 : 1,579.97 = 283.81 : x
  2. Step 2: Convert to fraction form
    1,053.31/1,579.97 = 283.81/x
  3. Step 3: Cross multiply
    1,053.31x = 1,579.97 × 283.81
  4. Step 4: Simplify right side
    1,053.31x = 448,411.29
  5. Step 5: Solve for x
    x = 448,411.29/1,053.31
  6. Step 6: Final answer
    x = 425.72

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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.