Home / 3,064.31-4,228.61-1,805.42

Finding the Fourth Proportional to 3,064.31, 4,228.61 and 1,805.42

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Solution

The fourth proportional to 3,064.31, 4,228.61 and 1,805.42 is: 2,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.31 : 4,228.61 = 1,805.42 : x
  2. Step 2: Convert to fraction form
    3,064.31/4,228.61 = 1,805.42/x
  3. Step 3: Cross multiply
    3,064.31x = 4,228.61 × 1,805.42
  4. Step 4: Simplify right side
    3,064.31x = 7,634,417.07
  5. Step 5: Solve for x
    x = 7,634,417.07/3,064.31
  6. Step 6: Final answer
    x = 2,491.40

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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.