Home / 2,302.39-3,177.75-1,307.71

Finding the Fourth Proportional to 2,302.39, 3,177.75 and 1,307.71

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Solution

The fourth proportional to 2,302.39, 3,177.75 and 1,307.71 is: 1,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.39 : 3,177.75 = 1,307.71 : x
  2. Step 2: Convert to fraction form
    2,302.39/3,177.75 = 1,307.71/x
  3. Step 3: Cross multiply
    2,302.39x = 3,177.75 × 1,307.71
  4. Step 4: Simplify right side
    2,302.39x = 4,155,575.45
  5. Step 5: Solve for x
    x = 4,155,575.45/2,302.39
  6. Step 6: Final answer
    x = 1,804.90

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1.5x scale

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.