Home / 2,099.07-2,898.18-1,435.68

Finding the Fourth Proportional to 2,099.07, 2,898.18 and 1,435.68

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Solution

The fourth proportional to 2,099.07, 2,898.18 and 1,435.68 is: 1,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.07 : 2,898.18 = 1,435.68 : x
  2. Step 2: Convert to fraction form
    2,099.07/2,898.18 = 1,435.68/x
  3. Step 3: Cross multiply
    2,099.07x = 2,898.18 × 1,435.68
  4. Step 4: Simplify right side
    2,099.07x = 4,160,859.06
  5. Step 5: Solve for x
    x = 4,160,859.06/2,099.07
  6. Step 6: Final answer
    x = 1,982.24

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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.