Home / 3,529.60-4,870.64-1,957.60

Finding the Fourth Proportional to 3,529.60, 4,870.64 and 1,957.60

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Solution

The fourth proportional to 3,529.60, 4,870.64 and 1,957.60 is: 2,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.60 : 4,870.64 = 1,957.60 : x
  2. Step 2: Convert to fraction form
    3,529.60/4,870.64 = 1,957.60/x
  3. Step 3: Cross multiply
    3,529.60x = 4,870.64 × 1,957.60
  4. Step 4: Simplify right side
    3,529.60x = 9,534,764.86
  5. Step 5: Solve for x
    x = 9,534,764.86/3,529.60
  6. Step 6: Final answer
    x = 2,701.37

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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.