Home / 2,848.90-3,931.51-1,606.90

Finding the Fourth Proportional to 2,848.90, 3,931.51 and 1,606.90

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Solution

The fourth proportional to 2,848.90, 3,931.51 and 1,606.90 is: 2,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.90 : 3,931.51 = 1,606.90 : x
  2. Step 2: Convert to fraction form
    2,848.90/3,931.51 = 1,606.90/x
  3. Step 3: Cross multiply
    2,848.90x = 3,931.51 × 1,606.90
  4. Step 4: Simplify right side
    2,848.90x = 6,317,523.76
  5. Step 5: Solve for x
    x = 6,317,523.76/2,848.90
  6. Step 6: Final answer
    x = 2,217.53

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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.