Home / 1,237.51-1,854.67-926.93

Finding the Fourth Proportional to 1,237.51, 1,854.67 and 926.93

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Solution

The fourth proportional to 1,237.51, 1,854.67 and 926.93 is: 1,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.51 : 1,854.67 = 926.93 : x
  2. Step 2: Convert to fraction form
    1,237.51/1,854.67 = 926.93/x
  3. Step 3: Cross multiply
    1,237.51x = 1,854.67 × 926.93
  4. Step 4: Simplify right side
    1,237.51x = 1,719,149.26
  5. Step 5: Solve for x
    x = 1,719,149.26/1,237.51
  6. Step 6: Final answer
    x = 1,389.20

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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.