Home / 2,319.37-3,201.32-1,434.65

Finding the Fourth Proportional to 2,319.37, 3,201.32 and 1,434.65

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Solution

The fourth proportional to 2,319.37, 3,201.32 and 1,434.65 is: 1,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.37 : 3,201.32 = 1,434.65 : x
  2. Step 2: Convert to fraction form
    2,319.37/3,201.32 = 1,434.65/x
  3. Step 3: Cross multiply
    2,319.37x = 3,201.32 × 1,434.65
  4. Step 4: Simplify right side
    2,319.37x = 4,592,761.32
  5. Step 5: Solve for x
    x = 4,592,761.32/2,319.37
  6. Step 6: Final answer
    x = 1,980.18

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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.