Home / 1,210.90-1,823.83-1,152.58

Finding the Fourth Proportional to 1,210.90, 1,823.83 and 1,152.58

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Solution

The fourth proportional to 1,210.90, 1,823.83 and 1,152.58 is: 1,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210.90 : 1,823.83 = 1,152.58 : x
  2. Step 2: Convert to fraction form
    1,210.90/1,823.83 = 1,152.58/x
  3. Step 3: Cross multiply
    1,210.90x = 1,823.83 × 1,152.58
  4. Step 4: Simplify right side
    1,210.90x = 2,102,107.58
  5. Step 5: Solve for x
    x = 2,102,107.58/1,210.90
  6. Step 6: Final answer
    x = 1,735.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.