Home / 3,135.28-4,325.84-1,875.76

Finding the Fourth Proportional to 3,135.28, 4,325.84 and 1,875.76

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Solution

The fourth proportional to 3,135.28, 4,325.84 and 1,875.76 is: 2,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.28 : 4,325.84 = 1,875.76 : x
  2. Step 2: Convert to fraction form
    3,135.28/4,325.84 = 1,875.76/x
  3. Step 3: Cross multiply
    3,135.28x = 4,325.84 × 1,875.76
  4. Step 4: Simplify right side
    3,135.28x = 8,114,237.64
  5. Step 5: Solve for x
    x = 8,114,237.64/3,135.28
  6. Step 6: Final answer
    x = 2,588.04

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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.