Home / 2,558.04-3,530.22-1,439.04

Finding the Fourth Proportional to 2,558.04, 3,530.22 and 1,439.04

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Solution

The fourth proportional to 2,558.04, 3,530.22 and 1,439.04 is: 1,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.04 : 3,530.22 = 1,439.04 : x
  2. Step 2: Convert to fraction form
    2,558.04/3,530.22 = 1,439.04/x
  3. Step 3: Cross multiply
    2,558.04x = 3,530.22 × 1,439.04
  4. Step 4: Simplify right side
    2,558.04x = 5,080,127.79
  5. Step 5: Solve for x
    x = 5,080,127.79/2,558.04
  6. Step 6: Final answer
    x = 1,985.95

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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.