Home / 1,730.50-2,389.17-1,110.58

Finding the Fourth Proportional to 1,730.50, 2,389.17 and 1,110.58

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Solution

The fourth proportional to 1,730.50, 2,389.17 and 1,110.58 is: 1,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.50 : 2,389.17 = 1,110.58 : x
  2. Step 2: Convert to fraction form
    1,730.50/2,389.17 = 1,110.58/x
  3. Step 3: Cross multiply
    1,730.50x = 2,389.17 × 1,110.58
  4. Step 4: Simplify right side
    1,730.50x = 2,653,364.42
  5. Step 5: Solve for x
    x = 2,653,364.42/1,730.50
  6. Step 6: Final answer
    x = 1,533.29

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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.