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Finding the Fourth Proportional to 2,130, 2,937.24 and 1,735.80

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Solution

The fourth proportional to 2,130, 2,937.24 and 1,735.80 is: 2,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130 : 2,937.24 = 1,735.80 : x
  2. Step 2: Convert to fraction form
    2,130/2,937.24 = 1,735.80/x
  3. Step 3: Cross multiply
    2,130x = 2,937.24 × 1,735.80
  4. Step 4: Simplify right side
    2,130x = 5,098,461.19
  5. Step 5: Solve for x
    x = 5,098,461.19/2,130
  6. Step 6: Final answer
    x = 2,393.64

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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.