Home / 2,240.07-3,092.64-1,455.60

Finding the Fourth Proportional to 2,240.07, 3,092.64 and 1,455.60

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Solution

The fourth proportional to 2,240.07, 3,092.64 and 1,455.60 is: 2,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.07 : 3,092.64 = 1,455.60 : x
  2. Step 2: Convert to fraction form
    2,240.07/3,092.64 = 1,455.60/x
  3. Step 3: Cross multiply
    2,240.07x = 3,092.64 × 1,455.60
  4. Step 4: Simplify right side
    2,240.07x = 4,501,646.78
  5. Step 5: Solve for x
    x = 4,501,646.78/2,240.07
  6. Step 6: Final answer
    x = 2,009.60

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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.