Home / 1,731.50-2,389.47-1,110.50

Finding the Fourth Proportional to 1,731.50, 2,389.47 and 1,110.50

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Solution

The fourth proportional to 1,731.50, 2,389.47 and 1,110.50 is: 1,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.50 : 2,389.47 = 1,110.50 : x
  2. Step 2: Convert to fraction form
    1,731.50/2,389.47 = 1,110.50/x
  3. Step 3: Cross multiply
    1,731.50x = 2,389.47 × 1,110.50
  4. Step 4: Simplify right side
    1,731.50x = 2,653,506.44
  5. Step 5: Solve for x
    x = 2,653,506.44/1,731.50
  6. Step 6: Final answer
    x = 1,532.49

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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.