Home / 3,653.04-5,040.36-2,159.94

Finding the Fourth Proportional to 3,653.04, 5,040.36 and 2,159.94

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Solution

The fourth proportional to 3,653.04, 5,040.36 and 2,159.94 is: 2,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.04 : 5,040.36 = 2,159.94 : x
  2. Step 2: Convert to fraction form
    3,653.04/5,040.36 = 2,159.94/x
  3. Step 3: Cross multiply
    3,653.04x = 5,040.36 × 2,159.94
  4. Step 4: Simplify right side
    3,653.04x = 10,886,875.18
  5. Step 5: Solve for x
    x = 10,886,875.18/3,653.04
  6. Step 6: Final answer
    x = 2,980.22

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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.