Home / 2,655.59-3,984.26-924.21

Finding the Fourth Proportional to 2,655.59, 3,984.26 and 924.21

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Solution

The fourth proportional to 2,655.59, 3,984.26 and 924.21 is: 1,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.59 : 3,984.26 = 924.21 : x
  2. Step 2: Convert to fraction form
    2,655.59/3,984.26 = 924.21/x
  3. Step 3: Cross multiply
    2,655.59x = 3,984.26 × 924.21
  4. Step 4: Simplify right side
    2,655.59x = 3,682,288.31
  5. Step 5: Solve for x
    x = 3,682,288.31/2,655.59
  6. Step 6: Final answer
    x = 1,386.62

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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.