Home / 1,477.70-2,039.33-1,029.59

Finding the Fourth Proportional to 1,477.70, 2,039.33 and 1,029.59

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Solution

The fourth proportional to 1,477.70, 2,039.33 and 1,029.59 is: 1,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.70 : 2,039.33 = 1,029.59 : x
  2. Step 2: Convert to fraction form
    1,477.70/2,039.33 = 1,029.59/x
  3. Step 3: Cross multiply
    1,477.70x = 2,039.33 × 1,029.59
  4. Step 4: Simplify right side
    1,477.70x = 2,099,673.77
  5. Step 5: Solve for x
    x = 2,099,673.77/1,477.70
  6. Step 6: Final answer
    x = 1,420.91

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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.