Home / 1,606.04-2,409.21-631.91

Finding the Fourth Proportional to 1,606.04, 2,409.21 and 631.91

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Solution

The fourth proportional to 1,606.04, 2,409.21 and 631.91 is: 947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.04 : 2,409.21 = 631.91 : x
  2. Step 2: Convert to fraction form
    1,606.04/2,409.21 = 631.91/x
  3. Step 3: Cross multiply
    1,606.04x = 2,409.21 × 631.91
  4. Step 4: Simplify right side
    1,606.04x = 1,522,403.89
  5. Step 5: Solve for x
    x = 1,522,403.89/1,606.04
  6. Step 6: Final answer
    x = 947.92

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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.