Home / 2,829.13-3,903.80-1,570.08

Finding the Fourth Proportional to 2,829.13, 3,903.80 and 1,570.08

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Solution

The fourth proportional to 2,829.13, 3,903.80 and 1,570.08 is: 2,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.13 : 3,903.80 = 1,570.08 : x
  2. Step 2: Convert to fraction form
    2,829.13/3,903.80 = 1,570.08/x
  3. Step 3: Cross multiply
    2,829.13x = 3,903.80 × 1,570.08
  4. Step 4: Simplify right side
    2,829.13x = 6,129,285.09
  5. Step 5: Solve for x
    x = 6,129,285.09/2,829.13
  6. Step 6: Final answer
    x = 2,166.49

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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.