Home / 2,298.90-3,172.08-1,304.04

Finding the Fourth Proportional to 2,298.90, 3,172.08 and 1,304.04

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Solution

The fourth proportional to 2,298.90, 3,172.08 and 1,304.04 is: 1,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.90 : 3,172.08 = 1,304.04 : x
  2. Step 2: Convert to fraction form
    2,298.90/3,172.08 = 1,304.04/x
  3. Step 3: Cross multiply
    2,298.90x = 3,172.08 × 1,304.04
  4. Step 4: Simplify right side
    2,298.90x = 4,136,519.20
  5. Step 5: Solve for x
    x = 4,136,519.20/2,298.90
  6. Step 6: Final answer
    x = 1,799.35

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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.