Home / 1,752.07-2,622.86-1,689.76

Finding the Fourth Proportional to 1,752.07, 2,622.86 and 1,689.76

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Solution

The fourth proportional to 1,752.07, 2,622.86 and 1,689.76 is: 2,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.07 : 2,622.86 = 1,689.76 : x
  2. Step 2: Convert to fraction form
    1,752.07/2,622.86 = 1,689.76/x
  3. Step 3: Cross multiply
    1,752.07x = 2,622.86 × 1,689.76
  4. Step 4: Simplify right side
    1,752.07x = 4,432,012.46
  5. Step 5: Solve for x
    x = 4,432,012.46/1,752.07
  6. Step 6: Final answer
    x = 2,529.58

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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.