Home / 1,812.06-2,500.74-1,148.67

Finding the Fourth Proportional to 1,812.06, 2,500.74 and 1,148.67

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Solution

The fourth proportional to 1,812.06, 2,500.74 and 1,148.67 is: 1,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.06 : 2,500.74 = 1,148.67 : x
  2. Step 2: Convert to fraction form
    1,812.06/2,500.74 = 1,148.67/x
  3. Step 3: Cross multiply
    1,812.06x = 2,500.74 × 1,148.67
  4. Step 4: Simplify right side
    1,812.06x = 2,872,525.02
  5. Step 5: Solve for x
    x = 2,872,525.02/1,812.06
  6. Step 6: Final answer
    x = 1,585.23

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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.