Home / 2,114.19-2,916.88-1,369.10

Finding the Fourth Proportional to 2,114.19, 2,916.88 and 1,369.10

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Solution

The fourth proportional to 2,114.19, 2,916.88 and 1,369.10 is: 1,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.19 : 2,916.88 = 1,369.10 : x
  2. Step 2: Convert to fraction form
    2,114.19/2,916.88 = 1,369.10/x
  3. Step 3: Cross multiply
    2,114.19x = 2,916.88 × 1,369.10
  4. Step 4: Simplify right side
    2,114.19x = 3,993,504.28
  5. Step 5: Solve for x
    x = 3,993,504.28/2,114.19
  6. Step 6: Final answer
    x = 1,888.91

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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.