Home / 1,870.89-2,812.49-1,563.35

Finding the Fourth Proportional to 1,870.89, 2,812.49 and 1,563.35

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Solution

The fourth proportional to 1,870.89, 2,812.49 and 1,563.35 is: 2,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.89 : 2,812.49 = 1,563.35 : x
  2. Step 2: Convert to fraction form
    1,870.89/2,812.49 = 1,563.35/x
  3. Step 3: Cross multiply
    1,870.89x = 2,812.49 × 1,563.35
  4. Step 4: Simplify right side
    1,870.89x = 4,396,896.09
  5. Step 5: Solve for x
    x = 4,396,896.09/1,870.89
  6. Step 6: Final answer
    x = 2,350.16

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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.