Home / 1,742.29-2,612.73-1,012.38

Finding the Fourth Proportional to 1,742.29, 2,612.73 and 1,012.38

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Solution

The fourth proportional to 1,742.29, 2,612.73 and 1,012.38 is: 1,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.29 : 2,612.73 = 1,012.38 : x
  2. Step 2: Convert to fraction form
    1,742.29/2,612.73 = 1,012.38/x
  3. Step 3: Cross multiply
    1,742.29x = 2,612.73 × 1,012.38
  4. Step 4: Simplify right side
    1,742.29x = 2,645,075.60
  5. Step 5: Solve for x
    x = 2,645,075.60/1,742.29
  6. Step 6: Final answer
    x = 1,518.16

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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.