Home / 2,490.18-3,735.42-1,256.16

Finding the Fourth Proportional to 2,490.18, 3,735.42 and 1,256.16

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Solution

The fourth proportional to 2,490.18, 3,735.42 and 1,256.16 is: 1,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.18 : 3,735.42 = 1,256.16 : x
  2. Step 2: Convert to fraction form
    2,490.18/3,735.42 = 1,256.16/x
  3. Step 3: Cross multiply
    2,490.18x = 3,735.42 × 1,256.16
  4. Step 4: Simplify right side
    2,490.18x = 4,692,285.19
  5. Step 5: Solve for x
    x = 4,692,285.19/2,490.18
  6. Step 6: Final answer
    x = 1,884.32

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1.5x scale

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.