Home / 3,555.92-5,339.88-2,970.32

Finding the Fourth Proportional to 3,555.92, 5,339.88 and 2,970.32

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Solution

The fourth proportional to 3,555.92, 5,339.88 and 2,970.32 is: 4,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.92 : 5,339.88 = 2,970.32 : x
  2. Step 2: Convert to fraction form
    3,555.92/5,339.88 = 2,970.32/x
  3. Step 3: Cross multiply
    3,555.92x = 5,339.88 × 2,970.32
  4. Step 4: Simplify right side
    3,555.92x = 15,861,152.36
  5. Step 5: Solve for x
    x = 15,861,152.36/3,555.92
  6. Step 6: Final answer
    x = 4,460.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.