Home / 3,182.37-4,390.47-2,345.07

Finding the Fourth Proportional to 3,182.37, 4,390.47 and 2,345.07

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Solution

The fourth proportional to 3,182.37, 4,390.47 and 2,345.07 is: 3,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.37 : 4,390.47 = 2,345.07 : x
  2. Step 2: Convert to fraction form
    3,182.37/4,390.47 = 2,345.07/x
  3. Step 3: Cross multiply
    3,182.37x = 4,390.47 × 2,345.07
  4. Step 4: Simplify right side
    3,182.37x = 10,295,959.48
  5. Step 5: Solve for x
    x = 10,295,959.48/3,182.37
  6. Step 6: Final answer
    x = 3,235.31

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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.