Home / 1,237.68-1,854.09-1,157.49

Finding the Fourth Proportional to 1,237.68, 1,854.09 and 1,157.49

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Solution

The fourth proportional to 1,237.68, 1,854.09 and 1,157.49 is: 1,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.68 : 1,854.09 = 1,157.49 : x
  2. Step 2: Convert to fraction form
    1,237.68/1,854.09 = 1,157.49/x
  3. Step 3: Cross multiply
    1,237.68x = 1,854.09 × 1,157.49
  4. Step 4: Simplify right side
    1,237.68x = 2,146,090.63
  5. Step 5: Solve for x
    x = 2,146,090.63/1,237.68
  6. Step 6: Final answer
    x = 1,733.96

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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.