Home / 1,609.04-2,219.28-1,048.88

Finding the Fourth Proportional to 1,609.04, 2,219.28 and 1,048.88

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Solution

The fourth proportional to 1,609.04, 2,219.28 and 1,048.88 is: 1,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.04 : 2,219.28 = 1,048.88 : x
  2. Step 2: Convert to fraction form
    1,609.04/2,219.28 = 1,048.88/x
  3. Step 3: Cross multiply
    1,609.04x = 2,219.28 × 1,048.88
  4. Step 4: Simplify right side
    1,609.04x = 2,327,758.41
  5. Step 5: Solve for x
    x = 2,327,758.41/1,609.04
  6. Step 6: Final answer
    x = 1,446.68

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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.