Home / 4,114.40-5,678.52-2,620.76

Finding the Fourth Proportional to 4,114.40, 5,678.52 and 2,620.76

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Solution

The fourth proportional to 4,114.40, 5,678.52 and 2,620.76 is: 3,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.40 : 5,678.52 = 2,620.76 : x
  2. Step 2: Convert to fraction form
    4,114.40/5,678.52 = 2,620.76/x
  3. Step 3: Cross multiply
    4,114.40x = 5,678.52 × 2,620.76
  4. Step 4: Simplify right side
    4,114.40x = 14,882,038.08
  5. Step 5: Solve for x
    x = 14,882,038.08/4,114.40
  6. Step 6: Final answer
    x = 3,617.06

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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.