Home / 2,829.42-3,904.61-1,570.67

Finding the Fourth Proportional to 2,829.42, 3,904.61 and 1,570.67

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Solution

The fourth proportional to 2,829.42, 3,904.61 and 1,570.67 is: 2,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.42 : 3,904.61 = 1,570.67 : x
  2. Step 2: Convert to fraction form
    2,829.42/3,904.61 = 1,570.67/x
  3. Step 3: Cross multiply
    2,829.42x = 3,904.61 × 1,570.67
  4. Step 4: Simplify right side
    2,829.42x = 6,132,826.41
  5. Step 5: Solve for x
    x = 6,132,826.41/2,829.42
  6. Step 6: Final answer
    x = 2,167.52

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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.