Home / 1,684.08-2,324.30-975.78

Finding the Fourth Proportional to 1,684.08, 2,324.30 and 975.78

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Solution

The fourth proportional to 1,684.08, 2,324.30 and 975.78 is: 1,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.08 : 2,324.30 = 975.78 : x
  2. Step 2: Convert to fraction form
    1,684.08/2,324.30 = 975.78/x
  3. Step 3: Cross multiply
    1,684.08x = 2,324.30 × 975.78
  4. Step 4: Simplify right side
    1,684.08x = 2,268,000.58
  5. Step 5: Solve for x
    x = 2,268,000.58/1,684.08
  6. Step 6: Final answer
    x = 1,346.73

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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.