Home / 3,130.12-4,314.95-2,382.77

Finding the Fourth Proportional to 3,130.12, 4,314.95 and 2,382.77

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Solution

The fourth proportional to 3,130.12, 4,314.95 and 2,382.77 is: 3,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.12 : 4,314.95 = 2,382.77 : x
  2. Step 2: Convert to fraction form
    3,130.12/4,314.95 = 2,382.77/x
  3. Step 3: Cross multiply
    3,130.12x = 4,314.95 × 2,382.77
  4. Step 4: Simplify right side
    3,130.12x = 10,281,533.41
  5. Step 5: Solve for x
    x = 10,281,533.41/3,130.12
  6. Step 6: Final answer
    x = 3,284.71

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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.