Home / 1,746.91-2,620.23-576.91

Finding the Fourth Proportional to 1,746.91, 2,620.23 and 576.91

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Solution

The fourth proportional to 1,746.91, 2,620.23 and 576.91 is: 865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.91 : 2,620.23 = 576.91 : x
  2. Step 2: Convert to fraction form
    1,746.91/2,620.23 = 576.91/x
  3. Step 3: Cross multiply
    1,746.91x = 2,620.23 × 576.91
  4. Step 4: Simplify right side
    1,746.91x = 1,511,636.89
  5. Step 5: Solve for x
    x = 1,511,636.89/1,746.91
  6. Step 6: Final answer
    x = 865.32

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1.5x scale

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.