Home / 1,629.89-2,248.66-1,070.66

Finding the Fourth Proportional to 1,629.89, 2,248.66 and 1,070.66

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Solution

The fourth proportional to 1,629.89, 2,248.66 and 1,070.66 is: 1,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.89 : 2,248.66 = 1,070.66 : x
  2. Step 2: Convert to fraction form
    1,629.89/2,248.66 = 1,070.66/x
  3. Step 3: Cross multiply
    1,629.89x = 2,248.66 × 1,070.66
  4. Step 4: Simplify right side
    1,629.89x = 2,407,533.72
  5. Step 5: Solve for x
    x = 2,407,533.72/1,629.89
  6. Step 6: Final answer
    x = 1,477.12

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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.