Home / 1,943.65-2,916.16-1,019.19

Finding the Fourth Proportional to 1,943.65, 2,916.16 and 1,019.19

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Solution

The fourth proportional to 1,943.65, 2,916.16 and 1,019.19 is: 1,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.65 : 2,916.16 = 1,019.19 : x
  2. Step 2: Convert to fraction form
    1,943.65/2,916.16 = 1,019.19/x
  3. Step 3: Cross multiply
    1,943.65x = 2,916.16 × 1,019.19
  4. Step 4: Simplify right side
    1,943.65x = 2,972,121.11
  5. Step 5: Solve for x
    x = 2,972,121.11/1,943.65
  6. Step 6: Final answer
    x = 1,529.15

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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.