Home / 1,830.80-2,526.08-1,167.40

Finding the Fourth Proportional to 1,830.80, 2,526.08 and 1,167.40

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Solution

The fourth proportional to 1,830.80, 2,526.08 and 1,167.40 is: 1,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.80 : 2,526.08 = 1,167.40 : x
  2. Step 2: Convert to fraction form
    1,830.80/2,526.08 = 1,167.40/x
  3. Step 3: Cross multiply
    1,830.80x = 2,526.08 × 1,167.40
  4. Step 4: Simplify right side
    1,830.80x = 2,948,945.79
  5. Step 5: Solve for x
    x = 2,948,945.79/1,830.80
  6. Step 6: Final answer
    x = 1,610.74

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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.