Home / 2,323.07-3,478.66-1,281.91

Finding the Fourth Proportional to 2,323.07, 3,478.66 and 1,281.91

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Solution

The fourth proportional to 2,323.07, 3,478.66 and 1,281.91 is: 1,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.07 : 3,478.66 = 1,281.91 : x
  2. Step 2: Convert to fraction form
    2,323.07/3,478.66 = 1,281.91/x
  3. Step 3: Cross multiply
    2,323.07x = 3,478.66 × 1,281.91
  4. Step 4: Simplify right side
    2,323.07x = 4,459,340.14
  5. Step 5: Solve for x
    x = 4,459,340.14/2,323.07
  6. Step 6: Final answer
    x = 1,919.59

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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.