Home / 2,931.68-4,048.44-1,885.56

Finding the Fourth Proportional to 2,931.68, 4,048.44 and 1,885.56

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Solution

The fourth proportional to 2,931.68, 4,048.44 and 1,885.56 is: 2,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.68 : 4,048.44 = 1,885.56 : x
  2. Step 2: Convert to fraction form
    2,931.68/4,048.44 = 1,885.56/x
  3. Step 3: Cross multiply
    2,931.68x = 4,048.44 × 1,885.56
  4. Step 4: Simplify right side
    2,931.68x = 7,633,576.53
  5. Step 5: Solve for x
    x = 7,633,576.53/2,931.68
  6. Step 6: Final answer
    x = 2,603.82

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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.