Home / 2,948.20-4,421.12-1,303.63

Finding the Fourth Proportional to 2,948.20, 4,421.12 and 1,303.63

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Solution

The fourth proportional to 2,948.20, 4,421.12 and 1,303.63 is: 1,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.20 : 4,421.12 = 1,303.63 : x
  2. Step 2: Convert to fraction form
    2,948.20/4,421.12 = 1,303.63/x
  3. Step 3: Cross multiply
    2,948.20x = 4,421.12 × 1,303.63
  4. Step 4: Simplify right side
    2,948.20x = 5,763,487.09
  5. Step 5: Solve for x
    x = 5,763,487.09/2,948.20
  6. Step 6: Final answer
    x = 1,954.92

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1.5x scale

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.