Home / 4,089.16-5,642.58-2,320.84

Finding the Fourth Proportional to 4,089.16, 5,642.58 and 2,320.84

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Solution

The fourth proportional to 4,089.16, 5,642.58 and 2,320.84 is: 3,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.16 : 5,642.58 = 2,320.84 : x
  2. Step 2: Convert to fraction form
    4,089.16/5,642.58 = 2,320.84/x
  3. Step 3: Cross multiply
    4,089.16x = 5,642.58 × 2,320.84
  4. Step 4: Simplify right side
    4,089.16x = 13,095,525.37
  5. Step 5: Solve for x
    x = 13,095,525.37/4,089.16
  6. Step 6: Final answer
    x = 3,202.50

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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.