Home / 2,945.51-4,062.48-1,825.80

Finding the Fourth Proportional to 2,945.51, 4,062.48 and 1,825.80

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Solution

The fourth proportional to 2,945.51, 4,062.48 and 1,825.80 is: 2,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.51 : 4,062.48 = 1,825.80 : x
  2. Step 2: Convert to fraction form
    2,945.51/4,062.48 = 1,825.80/x
  3. Step 3: Cross multiply
    2,945.51x = 4,062.48 × 1,825.80
  4. Step 4: Simplify right side
    2,945.51x = 7,417,275.98
  5. Step 5: Solve for x
    x = 7,417,275.98/2,945.51
  6. Step 6: Final answer
    x = 2,518.17

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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.