Home / 2,931.68-4,392.56-2,348.32

Finding the Fourth Proportional to 2,931.68, 4,392.56 and 2,348.32

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Solution

The fourth proportional to 2,931.68, 4,392.56 and 2,348.32 is: 3,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.68 : 4,392.56 = 2,348.32 : x
  2. Step 2: Convert to fraction form
    2,931.68/4,392.56 = 2,348.32/x
  3. Step 3: Cross multiply
    2,931.68x = 4,392.56 × 2,348.32
  4. Step 4: Simplify right side
    2,931.68x = 10,315,136.50
  5. Step 5: Solve for x
    x = 10,315,136.50/2,931.68
  6. Step 6: Final answer
    x = 3,518.51

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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.