Home / 4,152.39-5,730.32-2,289.39

Finding the Fourth Proportional to 4,152.39, 5,730.32 and 2,289.39

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Solution

The fourth proportional to 4,152.39, 5,730.32 and 2,289.39 is: 3,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.39 : 5,730.32 = 2,289.39 : x
  2. Step 2: Convert to fraction form
    4,152.39/5,730.32 = 2,289.39/x
  3. Step 3: Cross multiply
    4,152.39x = 5,730.32 × 2,289.39
  4. Step 4: Simplify right side
    4,152.39x = 13,118,937.30
  5. Step 5: Solve for x
    x = 13,118,937.30/4,152.39
  6. Step 6: Final answer
    x = 3,159.37

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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.