Home / 3,520.32-5,276.64-1,875.21

Finding the Fourth Proportional to 3,520.32, 5,276.64 and 1,875.21

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Solution

The fourth proportional to 3,520.32, 5,276.64 and 1,875.21 is: 2,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.32 : 5,276.64 = 1,875.21 : x
  2. Step 2: Convert to fraction form
    3,520.32/5,276.64 = 1,875.21/x
  3. Step 3: Cross multiply
    3,520.32x = 5,276.64 × 1,875.21
  4. Step 4: Simplify right side
    3,520.32x = 9,894,808.09
  5. Step 5: Solve for x
    x = 9,894,808.09/3,520.32
  6. Step 6: Final answer
    x = 2,810.77

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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.