Home / 2,829.59-3,904.64-1,570.61

Finding the Fourth Proportional to 2,829.59, 3,904.64 and 1,570.61

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Solution

The fourth proportional to 2,829.59, 3,904.64 and 1,570.61 is: 2,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.59 : 3,904.64 = 1,570.61 : x
  2. Step 2: Convert to fraction form
    2,829.59/3,904.64 = 1,570.61/x
  3. Step 3: Cross multiply
    2,829.59x = 3,904.64 × 1,570.61
  4. Step 4: Simplify right side
    2,829.59x = 6,132,647.11
  5. Step 5: Solve for x
    x = 6,132,647.11/2,829.59
  6. Step 6: Final answer
    x = 2,167.33

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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.