Home / 3,118.59-4,681.23-2,774.13

Finding the Fourth Proportional to 3,118.59, 4,681.23 and 2,774.13

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Solution

The fourth proportional to 3,118.59, 4,681.23 and 2,774.13 is: 4,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.59 : 4,681.23 = 2,774.13 : x
  2. Step 2: Convert to fraction form
    3,118.59/4,681.23 = 2,774.13/x
  3. Step 3: Cross multiply
    3,118.59x = 4,681.23 × 2,774.13
  4. Step 4: Simplify right side
    3,118.59x = 12,986,340.58
  5. Step 5: Solve for x
    x = 12,986,340.58/3,118.59
  6. Step 6: Final answer
    x = 4,164.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.