Home / 1,701.13-2,551.69-675.13

Finding the Fourth Proportional to 1,701.13, 2,551.69 and 675.13

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Solution

The fourth proportional to 1,701.13, 2,551.69 and 675.13 is: 1,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.13 : 2,551.69 = 675.13 : x
  2. Step 2: Convert to fraction form
    1,701.13/2,551.69 = 675.13/x
  3. Step 3: Cross multiply
    1,701.13x = 2,551.69 × 675.13
  4. Step 4: Simplify right side
    1,701.13x = 1,722,709.71
  5. Step 5: Solve for x
    x = 1,722,709.71/1,701.13
  6. Step 6: Final answer
    x = 1,012.69

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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.