Home / 3,529.60-4,871.76-2,271.52

Finding the Fourth Proportional to 3,529.60, 4,871.76 and 2,271.52

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Solution

The fourth proportional to 3,529.60, 4,871.76 and 2,271.52 is: 3,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.60 : 4,871.76 = 2,271.52 : x
  2. Step 2: Convert to fraction form
    3,529.60/4,871.76 = 2,271.52/x
  3. Step 3: Cross multiply
    3,529.60x = 4,871.76 × 2,271.52
  4. Step 4: Simplify right side
    3,529.60x = 11,066,300.28
  5. Step 5: Solve for x
    x = 11,066,300.28/3,529.60
  6. Step 6: Final answer
    x = 3,135.28

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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.