Home / 2,931.60-4,392.72-1,544.88

Finding the Fourth Proportional to 2,931.60, 4,392.72 and 1,544.88

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Solution

The fourth proportional to 2,931.60, 4,392.72 and 1,544.88 is: 2,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.60 : 4,392.72 = 1,544.88 : x
  2. Step 2: Convert to fraction form
    2,931.60/4,392.72 = 1,544.88/x
  3. Step 3: Cross multiply
    2,931.60x = 4,392.72 × 1,544.88
  4. Step 4: Simplify right side
    2,931.60x = 6,786,225.27
  5. Step 5: Solve for x
    x = 6,786,225.27/2,931.60
  6. Step 6: Final answer
    x = 2,314.85

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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.