Home / 2,345.02-3,230.49-2,176.54

Finding the Fourth Proportional to 2,345.02, 3,230.49 and 2,176.54

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Solution

The fourth proportional to 2,345.02, 3,230.49 and 2,176.54 is: 2,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.02 : 3,230.49 = 2,176.54 : x
  2. Step 2: Convert to fraction form
    2,345.02/3,230.49 = 2,176.54/x
  3. Step 3: Cross multiply
    2,345.02x = 3,230.49 × 2,176.54
  4. Step 4: Simplify right side
    2,345.02x = 7,031,290.70
  5. Step 5: Solve for x
    x = 7,031,290.70/2,345.02
  6. Step 6: Final answer
    x = 2,998.39

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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.