Home / 2,319.15-3,479.58-1,927.32

Finding the Fourth Proportional to 2,319.15, 3,479.58 and 1,927.32

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Solution

The fourth proportional to 2,319.15, 3,479.58 and 1,927.32 is: 2,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.15 : 3,479.58 = 1,927.32 : x
  2. Step 2: Convert to fraction form
    2,319.15/3,479.58 = 1,927.32/x
  3. Step 3: Cross multiply
    2,319.15x = 3,479.58 × 1,927.32
  4. Step 4: Simplify right side
    2,319.15x = 6,706,264.13
  5. Step 5: Solve for x
    x = 6,706,264.13/2,319.15
  6. Step 6: Final answer
    x = 2,891.69

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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.