Home / 2,380.10-3,586.40-1,956.74

Finding the Fourth Proportional to 2,380.10, 3,586.40 and 1,956.74

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Solution

The fourth proportional to 2,380.10, 3,586.40 and 1,956.74 is: 2,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.10 : 3,586.40 = 1,956.74 : x
  2. Step 2: Convert to fraction form
    2,380.10/3,586.40 = 1,956.74/x
  3. Step 3: Cross multiply
    2,380.10x = 3,586.40 × 1,956.74
  4. Step 4: Simplify right side
    2,380.10x = 7,017,652.34
  5. Step 5: Solve for x
    x = 7,017,652.34/2,380.10
  6. Step 6: Final answer
    x = 2,948.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.