Home / 1,648.07-2,466.30-1,388.33

Finding the Fourth Proportional to 1,648.07, 2,466.30 and 1,388.33

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Solution

The fourth proportional to 1,648.07, 2,466.30 and 1,388.33 is: 2,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.07 : 2,466.30 = 1,388.33 : x
  2. Step 2: Convert to fraction form
    1,648.07/2,466.30 = 1,388.33/x
  3. Step 3: Cross multiply
    1,648.07x = 2,466.30 × 1,388.33
  4. Step 4: Simplify right side
    1,648.07x = 3,424,038.28
  5. Step 5: Solve for x
    x = 3,424,038.28/1,648.07
  6. Step 6: Final answer
    x = 2,077.60

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1.5x scale

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.