Home / 1,581.03-2,176.88-1,435.23

Finding the Fourth Proportional to 1,581.03, 2,176.88 and 1,435.23

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Solution

The fourth proportional to 1,581.03, 2,176.88 and 1,435.23 is: 1,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.03 : 2,176.88 = 1,435.23 : x
  2. Step 2: Convert to fraction form
    1,581.03/2,176.88 = 1,435.23/x
  3. Step 3: Cross multiply
    1,581.03x = 2,176.88 × 1,435.23
  4. Step 4: Simplify right side
    1,581.03x = 3,124,316.31
  5. Step 5: Solve for x
    x = 3,124,316.31/1,581.03
  6. Step 6: Final answer
    x = 1,976.13

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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.