Home / 1,812.54-2,501.33-1,113.50

Finding the Fourth Proportional to 1,812.54, 2,501.33 and 1,113.50

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Solution

The fourth proportional to 1,812.54, 2,501.33 and 1,113.50 is: 1,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.54 : 2,501.33 = 1,113.50 : x
  2. Step 2: Convert to fraction form
    1,812.54/2,501.33 = 1,113.50/x
  3. Step 3: Cross multiply
    1,812.54x = 2,501.33 × 1,113.50
  4. Step 4: Simplify right side
    1,812.54x = 2,785,230.96
  5. Step 5: Solve for x
    x = 2,785,230.96/1,812.54
  6. Step 6: Final answer
    x = 1,536.65

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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.