Home / 1,675.53-2,312.30-1,012.25

Finding the Fourth Proportional to 1,675.53, 2,312.30 and 1,012.25

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Solution

The fourth proportional to 1,675.53, 2,312.30 and 1,012.25 is: 1,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.53 : 2,312.30 = 1,012.25 : x
  2. Step 2: Convert to fraction form
    1,675.53/2,312.30 = 1,012.25/x
  3. Step 3: Cross multiply
    1,675.53x = 2,312.30 × 1,012.25
  4. Step 4: Simplify right side
    1,675.53x = 2,340,625.68
  5. Step 5: Solve for x
    x = 2,340,625.68/1,675.53
  6. Step 6: Final answer
    x = 1,396.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.