Home / 2,114.46-2,916.75-1,230.16

Finding the Fourth Proportional to 2,114.46, 2,916.75 and 1,230.16

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Solution

The fourth proportional to 2,114.46, 2,916.75 and 1,230.16 is: 1,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.46 : 2,916.75 = 1,230.16 : x
  2. Step 2: Convert to fraction form
    2,114.46/2,916.75 = 1,230.16/x
  3. Step 3: Cross multiply
    2,114.46x = 2,916.75 × 1,230.16
  4. Step 4: Simplify right side
    2,114.46x = 3,588,069.18
  5. Step 5: Solve for x
    x = 3,588,069.18/2,114.46
  6. Step 6: Final answer
    x = 1,696.92

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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.