Home / 2,937.74-4,058.46-1,931.81

Finding the Fourth Proportional to 2,937.74, 4,058.46 and 1,931.81

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Solution

The fourth proportional to 2,937.74, 4,058.46 and 1,931.81 is: 2,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.74 : 4,058.46 = 1,931.81 : x
  2. Step 2: Convert to fraction form
    2,937.74/4,058.46 = 1,931.81/x
  3. Step 3: Cross multiply
    2,937.74x = 4,058.46 × 1,931.81
  4. Step 4: Simplify right side
    2,937.74x = 7,840,153.32
  5. Step 5: Solve for x
    x = 7,840,153.32/2,937.74
  6. Step 6: Final answer
    x = 2,668.77

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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.