Home / 3,490.02-4,815.45-2,073.60

Finding the Fourth Proportional to 3,490.02, 4,815.45 and 2,073.60

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Solution

The fourth proportional to 3,490.02, 4,815.45 and 2,073.60 is: 2,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.02 : 4,815.45 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    3,490.02/4,815.45 = 2,073.60/x
  3. Step 3: Cross multiply
    3,490.02x = 4,815.45 × 2,073.60
  4. Step 4: Simplify right side
    3,490.02x = 9,985,317.12
  5. Step 5: Solve for x
    x = 9,985,317.12/3,490.02
  6. Step 6: Final answer
    x = 2,861.11

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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.