Home / 2,875.32-4,315.61-1,489.54

Finding the Fourth Proportional to 2,875.32, 4,315.61 and 1,489.54

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Solution

The fourth proportional to 2,875.32, 4,315.61 and 1,489.54 is: 2,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.32 : 4,315.61 = 1,489.54 : x
  2. Step 2: Convert to fraction form
    2,875.32/4,315.61 = 1,489.54/x
  3. Step 3: Cross multiply
    2,875.32x = 4,315.61 × 1,489.54
  4. Step 4: Simplify right side
    2,875.32x = 6,428,255.48
  5. Step 5: Solve for x
    x = 6,428,255.48/2,875.32
  6. Step 6: Final answer
    x = 2,235.67

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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.