Home / 1,448.58-2,170.71-1,038.60

Finding the Fourth Proportional to 1,448.58, 2,170.71 and 1,038.60

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Solution

The fourth proportional to 1,448.58, 2,170.71 and 1,038.60 is: 1,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.58 : 2,170.71 = 1,038.60 : x
  2. Step 2: Convert to fraction form
    1,448.58/2,170.71 = 1,038.60/x
  3. Step 3: Cross multiply
    1,448.58x = 2,170.71 × 1,038.60
  4. Step 4: Simplify right side
    1,448.58x = 2,254,499.41
  5. Step 5: Solve for x
    x = 2,254,499.41/1,448.58
  6. Step 6: Final answer
    x = 1,556.35

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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.