Home / 2,840.37-4,260.45-1,379.13

Finding the Fourth Proportional to 2,840.37, 4,260.45 and 1,379.13

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Solution

The fourth proportional to 2,840.37, 4,260.45 and 1,379.13 is: 2,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.37 : 4,260.45 = 1,379.13 : x
  2. Step 2: Convert to fraction form
    2,840.37/4,260.45 = 1,379.13/x
  3. Step 3: Cross multiply
    2,840.37x = 4,260.45 × 1,379.13
  4. Step 4: Simplify right side
    2,840.37x = 5,875,714.41
  5. Step 5: Solve for x
    x = 5,875,714.41/2,840.37
  6. Step 6: Final answer
    x = 2,068.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.