Home / 2,265.84-3,410.70-1,931.76

Finding the Fourth Proportional to 2,265.84, 3,410.70 and 1,931.76

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Solution

The fourth proportional to 2,265.84, 3,410.70 and 1,931.76 is: 2,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.84 : 3,410.70 = 1,931.76 : x
  2. Step 2: Convert to fraction form
    2,265.84/3,410.70 = 1,931.76/x
  3. Step 3: Cross multiply
    2,265.84x = 3,410.70 × 1,931.76
  4. Step 4: Simplify right side
    2,265.84x = 6,588,653.83
  5. Step 5: Solve for x
    x = 6,588,653.83/2,265.84
  6. Step 6: Final answer
    x = 2,907.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.