Home / 2,829.01-3,904.12-1,570.16

Finding the Fourth Proportional to 2,829.01, 3,904.12 and 1,570.16

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Solution

The fourth proportional to 2,829.01, 3,904.12 and 1,570.16 is: 2,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.01 : 3,904.12 = 1,570.16 : x
  2. Step 2: Convert to fraction form
    2,829.01/3,904.12 = 1,570.16/x
  3. Step 3: Cross multiply
    2,829.01x = 3,904.12 × 1,570.16
  4. Step 4: Simplify right side
    2,829.01x = 6,130,073.54
  5. Step 5: Solve for x
    x = 6,130,073.54/2,829.01
  6. Step 6: Final answer
    x = 2,166.86

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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.