Home / 2,931.88-4,395.36-2,285.48

Finding the Fourth Proportional to 2,931.88, 4,395.36 and 2,285.48

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Solution

The fourth proportional to 2,931.88, 4,395.36 and 2,285.48 is: 3,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.88 : 4,395.36 = 2,285.48 : x
  2. Step 2: Convert to fraction form
    2,931.88/4,395.36 = 2,285.48/x
  3. Step 3: Cross multiply
    2,931.88x = 4,395.36 × 2,285.48
  4. Step 4: Simplify right side
    2,931.88x = 10,045,507.37
  5. Step 5: Solve for x
    x = 10,045,507.37/2,931.88
  6. Step 6: Final answer
    x = 3,426.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.