Home / 1,885.92-2,829.36-1,020

Finding the Fourth Proportional to 1,885.92, 2,829.36 and 1,020

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Solution

The fourth proportional to 1,885.92, 2,829.36 and 1,020 is: 1,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.92 : 2,829.36 = 1,020 : x
  2. Step 2: Convert to fraction form
    1,885.92/2,829.36 = 1,020/x
  3. Step 3: Cross multiply
    1,885.92x = 2,829.36 × 1,020
  4. Step 4: Simplify right side
    1,885.92x = 2,885,947.20
  5. Step 5: Solve for x
    x = 2,885,947.20/1,885.92
  6. Step 6: Final answer
    x = 1,530.26

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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.