Home / 3,106.40-4,658.28-1,460.06

Finding the Fourth Proportional to 3,106.40, 4,658.28 and 1,460.06

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Solution

The fourth proportional to 3,106.40, 4,658.28 and 1,460.06 is: 2,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.40 : 4,658.28 = 1,460.06 : x
  2. Step 2: Convert to fraction form
    3,106.40/4,658.28 = 1,460.06/x
  3. Step 3: Cross multiply
    3,106.40x = 4,658.28 × 1,460.06
  4. Step 4: Simplify right side
    3,106.40x = 6,801,368.30
  5. Step 5: Solve for x
    x = 6,801,368.30/3,106.40
  6. Step 6: Final answer
    x = 2,189.47

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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.