Home / 4,279.10-5,904.71-2,390.51

Finding the Fourth Proportional to 4,279.10, 5,904.71 and 2,390.51

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Solution

The fourth proportional to 4,279.10, 5,904.71 and 2,390.51 is: 3,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.10 : 5,904.71 = 2,390.51 : x
  2. Step 2: Convert to fraction form
    4,279.10/5,904.71 = 2,390.51/x
  3. Step 3: Cross multiply
    4,279.10x = 5,904.71 × 2,390.51
  4. Step 4: Simplify right side
    4,279.10x = 14,115,293.52
  5. Step 5: Solve for x
    x = 14,115,293.52/4,279.10
  6. Step 6: Final answer
    x = 3,298.66

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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.