Home / 2,490.02-3,734.20-1,256.65

Finding the Fourth Proportional to 2,490.02, 3,734.20 and 1,256.65

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Solution

The fourth proportional to 2,490.02, 3,734.20 and 1,256.65 is: 1,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.02 : 3,734.20 = 1,256.65 : x
  2. Step 2: Convert to fraction form
    2,490.02/3,734.20 = 1,256.65/x
  3. Step 3: Cross multiply
    2,490.02x = 3,734.20 × 1,256.65
  4. Step 4: Simplify right side
    2,490.02x = 4,692,574.67
  5. Step 5: Solve for x
    x = 4,692,574.67/2,490.02
  6. Step 6: Final answer
    x = 1,884.55

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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.