Home / 3,475.36-4,790.64-2,478.88

Finding the Fourth Proportional to 3,475.36, 4,790.64 and 2,478.88

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Solution

The fourth proportional to 3,475.36, 4,790.64 and 2,478.88 is: 3,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.36 : 4,790.64 = 2,478.88 : x
  2. Step 2: Convert to fraction form
    3,475.36/4,790.64 = 2,478.88/x
  3. Step 3: Cross multiply
    3,475.36x = 4,790.64 × 2,478.88
  4. Step 4: Simplify right side
    3,475.36x = 11,875,421.68
  5. Step 5: Solve for x
    x = 11,875,421.68/3,475.36
  6. Step 6: Final answer
    x = 3,417.03

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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.