Home / 3,045.52-4,202.40-1,786.88

Finding the Fourth Proportional to 3,045.52, 4,202.40 and 1,786.88

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Solution

The fourth proportional to 3,045.52, 4,202.40 and 1,786.88 is: 2,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.52 : 4,202.40 = 1,786.88 : x
  2. Step 2: Convert to fraction form
    3,045.52/4,202.40 = 1,786.88/x
  3. Step 3: Cross multiply
    3,045.52x = 4,202.40 × 1,786.88
  4. Step 4: Simplify right side
    3,045.52x = 7,509,184.51
  5. Step 5: Solve for x
    x = 7,509,184.51/3,045.52
  6. Step 6: Final answer
    x = 2,465.65

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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.