Home / 1,746.16-2,631.52-1,636.80

Finding the Fourth Proportional to 1,746.16, 2,631.52 and 1,636.80

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Solution

The fourth proportional to 1,746.16, 2,631.52 and 1,636.80 is: 2,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.16 : 2,631.52 = 1,636.80 : x
  2. Step 2: Convert to fraction form
    1,746.16/2,631.52 = 1,636.80/x
  3. Step 3: Cross multiply
    1,746.16x = 2,631.52 × 1,636.80
  4. Step 4: Simplify right side
    1,746.16x = 4,307,271.94
  5. Step 5: Solve for x
    x = 4,307,271.94/1,746.16
  6. Step 6: Final answer
    x = 2,466.71

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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.