Home / 2,993.10-4,130.58-1,648.64

Finding the Fourth Proportional to 2,993.10, 4,130.58 and 1,648.64

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Solution

The fourth proportional to 2,993.10, 4,130.58 and 1,648.64 is: 2,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.10 : 4,130.58 = 1,648.64 : x
  2. Step 2: Convert to fraction form
    2,993.10/4,130.58 = 1,648.64/x
  3. Step 3: Cross multiply
    2,993.10x = 4,130.58 × 1,648.64
  4. Step 4: Simplify right side
    2,993.10x = 6,809,818.76
  5. Step 5: Solve for x
    x = 6,809,818.76/2,993.10
  6. Step 6: Final answer
    x = 2,275.17

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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.