Home / 1,558.07-2,148.72-1,033.19

Finding the Fourth Proportional to 1,558.07, 2,148.72 and 1,033.19

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Solution

The fourth proportional to 1,558.07, 2,148.72 and 1,033.19 is: 1,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.07 : 2,148.72 = 1,033.19 : x
  2. Step 2: Convert to fraction form
    1,558.07/2,148.72 = 1,033.19/x
  3. Step 3: Cross multiply
    1,558.07x = 2,148.72 × 1,033.19
  4. Step 4: Simplify right side
    1,558.07x = 2,220,036.02
  5. Step 5: Solve for x
    x = 2,220,036.02/1,558.07
  6. Step 6: Final answer
    x = 1,424.86

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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.