Home / 2,881.15-4,315.65-2,395.15

Finding the Fourth Proportional to 2,881.15, 4,315.65 and 2,395.15

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Solution

The fourth proportional to 2,881.15, 4,315.65 and 2,395.15 is: 3,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.15 : 4,315.65 = 2,395.15 : x
  2. Step 2: Convert to fraction form
    2,881.15/4,315.65 = 2,395.15/x
  3. Step 3: Cross multiply
    2,881.15x = 4,315.65 × 2,395.15
  4. Step 4: Simplify right side
    2,881.15x = 10,336,629.10
  5. Step 5: Solve for x
    x = 10,336,629.10/2,881.15
  6. Step 6: Final answer
    x = 3,587.67

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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.