Home / 2,277.97-3,140.70-1,530.74

Finding the Fourth Proportional to 2,277.97, 3,140.70 and 1,530.74

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Solution

The fourth proportional to 2,277.97, 3,140.70 and 1,530.74 is: 2,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.97 : 3,140.70 = 1,530.74 : x
  2. Step 2: Convert to fraction form
    2,277.97/3,140.70 = 1,530.74/x
  3. Step 3: Cross multiply
    2,277.97x = 3,140.70 × 1,530.74
  4. Step 4: Simplify right side
    2,277.97x = 4,807,595.12
  5. Step 5: Solve for x
    x = 4,807,595.12/2,277.97
  6. Step 6: Final answer
    x = 2,110.47

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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.