Home / 3,465.38-4,785.63-2,900.18

Finding the Fourth Proportional to 3,465.38, 4,785.63 and 2,900.18

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Solution

The fourth proportional to 3,465.38, 4,785.63 and 2,900.18 is: 4,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.38 : 4,785.63 = 2,900.18 : x
  2. Step 2: Convert to fraction form
    3,465.38/4,785.63 = 2,900.18/x
  3. Step 3: Cross multiply
    3,465.38x = 4,785.63 × 2,900.18
  4. Step 4: Simplify right side
    3,465.38x = 13,879,188.41
  5. Step 5: Solve for x
    x = 13,879,188.41/3,465.38
  6. Step 6: Final answer
    x = 4,005.10

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Half scale
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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.