Home / 2,829.26-3,904.40-1,570.32

Finding the Fourth Proportional to 2,829.26, 3,904.40 and 1,570.32

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Solution

The fourth proportional to 2,829.26, 3,904.40 and 1,570.32 is: 2,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.26 : 3,904.40 = 1,570.32 : x
  2. Step 2: Convert to fraction form
    2,829.26/3,904.40 = 1,570.32/x
  3. Step 3: Cross multiply
    2,829.26x = 3,904.40 × 1,570.32
  4. Step 4: Simplify right side
    2,829.26x = 6,131,157.41
  5. Step 5: Solve for x
    x = 6,131,157.41/2,829.26
  6. Step 6: Final answer
    x = 2,167.05

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1.5x scale

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.