Home / 2,858.14-4,263.28-2,390.66

Finding the Fourth Proportional to 2,858.14, 4,263.28 and 2,390.66

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Solution

The fourth proportional to 2,858.14, 4,263.28 and 2,390.66 is: 3,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.14 : 4,263.28 = 2,390.66 : x
  2. Step 2: Convert to fraction form
    2,858.14/4,263.28 = 2,390.66/x
  3. Step 3: Cross multiply
    2,858.14x = 4,263.28 × 2,390.66
  4. Step 4: Simplify right side
    2,858.14x = 10,192,079.09
  5. Step 5: Solve for x
    x = 10,192,079.09/2,858.14
  6. Step 6: Final answer
    x = 3,565.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.