Home / 2,077.98-3,117.10-1,352.18

Finding the Fourth Proportional to 2,077.98, 3,117.10 and 1,352.18

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Solution

The fourth proportional to 2,077.98, 3,117.10 and 1,352.18 is: 2,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.98 : 3,117.10 = 1,352.18 : x
  2. Step 2: Convert to fraction form
    2,077.98/3,117.10 = 1,352.18/x
  3. Step 3: Cross multiply
    2,077.98x = 3,117.10 × 1,352.18
  4. Step 4: Simplify right side
    2,077.98x = 4,214,880.28
  5. Step 5: Solve for x
    x = 4,214,880.28/2,077.98
  6. Step 6: Final answer
    x = 2,028.35

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Double scale
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1.5x scale

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.