Home / 3,506.98-5,260.27-1,315.53

Finding the Fourth Proportional to 3,506.98, 5,260.27 and 1,315.53

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Solution

The fourth proportional to 3,506.98, 5,260.27 and 1,315.53 is: 1,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.98 : 5,260.27 = 1,315.53 : x
  2. Step 2: Convert to fraction form
    3,506.98/5,260.27 = 1,315.53/x
  3. Step 3: Cross multiply
    3,506.98x = 5,260.27 × 1,315.53
  4. Step 4: Simplify right side
    3,506.98x = 6,920,026.55
  5. Step 5: Solve for x
    x = 6,920,026.55/3,506.98
  6. Step 6: Final answer
    x = 1,973.21

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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.