Home / 1,563.04-2,155.44-1,039.24

Finding the Fourth Proportional to 1,563.04, 2,155.44 and 1,039.24

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Solution

The fourth proportional to 1,563.04, 2,155.44 and 1,039.24 is: 1,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.04 : 2,155.44 = 1,039.24 : x
  2. Step 2: Convert to fraction form
    1,563.04/2,155.44 = 1,039.24/x
  3. Step 3: Cross multiply
    1,563.04x = 2,155.44 × 1,039.24
  4. Step 4: Simplify right side
    1,563.04x = 2,240,019.47
  5. Step 5: Solve for x
    x = 2,240,019.47/1,563.04
  6. Step 6: Final answer
    x = 1,433.12

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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.