Home / 1,498.19-2,239.88-1,269.63

Finding the Fourth Proportional to 1,498.19, 2,239.88 and 1,269.63

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Solution

The fourth proportional to 1,498.19, 2,239.88 and 1,269.63 is: 1,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.19 : 2,239.88 = 1,269.63 : x
  2. Step 2: Convert to fraction form
    1,498.19/2,239.88 = 1,269.63/x
  3. Step 3: Cross multiply
    1,498.19x = 2,239.88 × 1,269.63
  4. Step 4: Simplify right side
    1,498.19x = 2,843,812.50
  5. Step 5: Solve for x
    x = 2,843,812.50/1,498.19
  6. Step 6: Final answer
    x = 1,898.17

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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.