Home / 3,130.60-4,695.90-2,583.40

Finding the Fourth Proportional to 3,130.60, 4,695.90 and 2,583.40

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Solution

The fourth proportional to 3,130.60, 4,695.90 and 2,583.40 is: 3,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.60 : 4,695.90 = 2,583.40 : x
  2. Step 2: Convert to fraction form
    3,130.60/4,695.90 = 2,583.40/x
  3. Step 3: Cross multiply
    3,130.60x = 4,695.90 × 2,583.40
  4. Step 4: Simplify right side
    3,130.60x = 12,131,388.06
  5. Step 5: Solve for x
    x = 12,131,388.06/3,130.60
  6. Step 6: Final answer
    x = 3,875.10

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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.