Home / 4,276.36-5,898.18-2,878.84

Finding the Fourth Proportional to 4,276.36, 5,898.18 and 2,878.84

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Solution

The fourth proportional to 4,276.36, 5,898.18 and 2,878.84 is: 3,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.36 : 5,898.18 = 2,878.84 : x
  2. Step 2: Convert to fraction form
    4,276.36/5,898.18 = 2,878.84/x
  3. Step 3: Cross multiply
    4,276.36x = 5,898.18 × 2,878.84
  4. Step 4: Simplify right side
    4,276.36x = 16,979,916.51
  5. Step 5: Solve for x
    x = 16,979,916.51/4,276.36
  6. Step 6: Final answer
    x = 3,970.65

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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.