Home / 1,646.59-2,270.55-1,174.54

Finding the Fourth Proportional to 1,646.59, 2,270.55 and 1,174.54

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Solution

The fourth proportional to 1,646.59, 2,270.55 and 1,174.54 is: 1,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.59 : 2,270.55 = 1,174.54 : x
  2. Step 2: Convert to fraction form
    1,646.59/2,270.55 = 1,174.54/x
  3. Step 3: Cross multiply
    1,646.59x = 2,270.55 × 1,174.54
  4. Step 4: Simplify right side
    1,646.59x = 2,666,851.80
  5. Step 5: Solve for x
    x = 2,666,851.80/1,646.59
  6. Step 6: Final answer
    x = 1,619.62

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1.5x scale

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.