Home / 3,345.02-4,617.09-2,018.50

Finding the Fourth Proportional to 3,345.02, 4,617.09 and 2,018.50

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Solution

The fourth proportional to 3,345.02, 4,617.09 and 2,018.50 is: 2,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.02 : 4,617.09 = 2,018.50 : x
  2. Step 2: Convert to fraction form
    3,345.02/4,617.09 = 2,018.50/x
  3. Step 3: Cross multiply
    3,345.02x = 4,617.09 × 2,018.50
  4. Step 4: Simplify right side
    3,345.02x = 9,319,596.17
  5. Step 5: Solve for x
    x = 9,319,596.17/3,345.02
  6. Step 6: Final answer
    x = 2,786.11

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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.