Home / 3,650.92-5,038.64-2,159.32

Finding the Fourth Proportional to 3,650.92, 5,038.64 and 2,159.32

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Solution

The fourth proportional to 3,650.92, 5,038.64 and 2,159.32 is: 2,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.92 : 5,038.64 = 2,159.32 : x
  2. Step 2: Convert to fraction form
    3,650.92/5,038.64 = 2,159.32/x
  3. Step 3: Cross multiply
    3,650.92x = 5,038.64 × 2,159.32
  4. Step 4: Simplify right side
    3,650.92x = 10,880,036.12
  5. Step 5: Solve for x
    x = 10,880,036.12/3,650.92
  6. Step 6: Final answer
    x = 2,980.08

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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.