Home / 2,979.23-4,111.19-1,652.91

Finding the Fourth Proportional to 2,979.23, 4,111.19 and 1,652.91

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Solution

The fourth proportional to 2,979.23, 4,111.19 and 1,652.91 is: 2,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.23 : 4,111.19 = 1,652.91 : x
  2. Step 2: Convert to fraction form
    2,979.23/4,111.19 = 1,652.91/x
  3. Step 3: Cross multiply
    2,979.23x = 4,111.19 × 1,652.91
  4. Step 4: Simplify right side
    2,979.23x = 6,795,427.06
  5. Step 5: Solve for x
    x = 6,795,427.06/2,979.23
  6. Step 6: Final answer
    x = 2,280.93

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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.