Home / 1,492.71-2,236.69-1,260.51

Finding the Fourth Proportional to 1,492.71, 2,236.69 and 1,260.51

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Solution

The fourth proportional to 1,492.71, 2,236.69 and 1,260.51 is: 1,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.71 : 2,236.69 = 1,260.51 : x
  2. Step 2: Convert to fraction form
    1,492.71/2,236.69 = 1,260.51/x
  3. Step 3: Cross multiply
    1,492.71x = 2,236.69 × 1,260.51
  4. Step 4: Simplify right side
    1,492.71x = 2,819,370.11
  5. Step 5: Solve for x
    x = 2,819,370.11/1,492.71
  6. Step 6: Final answer
    x = 1,888.76

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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.