Home / 3,152.34-4,349.91-1,826.47

Finding the Fourth Proportional to 3,152.34, 4,349.91 and 1,826.47

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Solution

The fourth proportional to 3,152.34, 4,349.91 and 1,826.47 is: 2,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.34 : 4,349.91 = 1,826.47 : x
  2. Step 2: Convert to fraction form
    3,152.34/4,349.91 = 1,826.47/x
  3. Step 3: Cross multiply
    3,152.34x = 4,349.91 × 1,826.47
  4. Step 4: Simplify right side
    3,152.34x = 7,944,980.12
  5. Step 5: Solve for x
    x = 7,944,980.12/3,152.34
  6. Step 6: Final answer
    x = 2,520.34

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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.