Home / 2,493.02-3,740.13-1,260.40

Finding the Fourth Proportional to 2,493.02, 3,740.13 and 1,260.40

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Solution

The fourth proportional to 2,493.02, 3,740.13 and 1,260.40 is: 1,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.02 : 3,740.13 = 1,260.40 : x
  2. Step 2: Convert to fraction form
    2,493.02/3,740.13 = 1,260.40/x
  3. Step 3: Cross multiply
    2,493.02x = 3,740.13 × 1,260.40
  4. Step 4: Simplify right side
    2,493.02x = 4,714,041.15
  5. Step 5: Solve for x
    x = 4,714,041.15/2,493.02
  6. Step 6: Final answer
    x = 1,890.90

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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.