Home / 1,637.50-2,259.67-974.34

Finding the Fourth Proportional to 1,637.50, 2,259.67 and 974.34

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Solution

The fourth proportional to 1,637.50, 2,259.67 and 974.34 is: 1,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.50 : 2,259.67 = 974.34 : x
  2. Step 2: Convert to fraction form
    1,637.50/2,259.67 = 974.34/x
  3. Step 3: Cross multiply
    1,637.50x = 2,259.67 × 974.34
  4. Step 4: Simplify right side
    1,637.50x = 2,201,686.87
  5. Step 5: Solve for x
    x = 2,201,686.87/1,637.50
  6. Step 6: Final answer
    x = 1,344.54

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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.