Home / 2,829.32-3,904.49-1,570.40

Finding the Fourth Proportional to 2,829.32, 3,904.49 and 1,570.40

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Solution

The fourth proportional to 2,829.32, 3,904.49 and 1,570.40 is: 2,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.32 : 3,904.49 = 1,570.40 : x
  2. Step 2: Convert to fraction form
    2,829.32/3,904.49 = 1,570.40/x
  3. Step 3: Cross multiply
    2,829.32x = 3,904.49 × 1,570.40
  4. Step 4: Simplify right side
    2,829.32x = 6,131,611.10
  5. Step 5: Solve for x
    x = 6,131,611.10/2,829.32
  6. Step 6: Final answer
    x = 2,167.17

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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.