Home / 1,854.34-2,557.97-1,180.89

Finding the Fourth Proportional to 1,854.34, 2,557.97 and 1,180.89

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Solution

The fourth proportional to 1,854.34, 2,557.97 and 1,180.89 is: 1,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.34 : 2,557.97 = 1,180.89 : x
  2. Step 2: Convert to fraction form
    1,854.34/2,557.97 = 1,180.89/x
  3. Step 3: Cross multiply
    1,854.34x = 2,557.97 × 1,180.89
  4. Step 4: Simplify right side
    1,854.34x = 3,020,681.19
  5. Step 5: Solve for x
    x = 3,020,681.19/1,854.34
  6. Step 6: Final answer
    x = 1,628.98

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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.