Home / 1,563.33-2,154.73-1,430.91

Finding the Fourth Proportional to 1,563.33, 2,154.73 and 1,430.91

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Solution

The fourth proportional to 1,563.33, 2,154.73 and 1,430.91 is: 1,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.33 : 2,154.73 = 1,430.91 : x
  2. Step 2: Convert to fraction form
    1,563.33/2,154.73 = 1,430.91/x
  3. Step 3: Cross multiply
    1,563.33x = 2,154.73 × 1,430.91
  4. Step 4: Simplify right side
    1,563.33x = 3,083,224.70
  5. Step 5: Solve for x
    x = 3,083,224.70/1,563.33
  6. Step 6: Final answer
    x = 1,972.22

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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.