Home / 3,240.02-4,470.72-1,842.50

Finding the Fourth Proportional to 3,240.02, 4,470.72 and 1,842.50

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Solution

The fourth proportional to 3,240.02, 4,470.72 and 1,842.50 is: 2,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.02 : 4,470.72 = 1,842.50 : x
  2. Step 2: Convert to fraction form
    3,240.02/4,470.72 = 1,842.50/x
  3. Step 3: Cross multiply
    3,240.02x = 4,470.72 × 1,842.50
  4. Step 4: Simplify right side
    3,240.02x = 8,237,301.60
  5. Step 5: Solve for x
    x = 8,237,301.60/3,240.02
  6. Step 6: Final answer
    x = 2,542.36

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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.