Home / 1,483.36-2,225.04-618.40

Finding the Fourth Proportional to 1,483.36, 2,225.04 and 618.40

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Solution

The fourth proportional to 1,483.36, 2,225.04 and 618.40 is: 927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.36 : 2,225.04 = 618.40 : x
  2. Step 2: Convert to fraction form
    1,483.36/2,225.04 = 618.40/x
  3. Step 3: Cross multiply
    1,483.36x = 2,225.04 × 618.40
  4. Step 4: Simplify right side
    1,483.36x = 1,375,964.74
  5. Step 5: Solve for x
    x = 1,375,964.74/1,483.36
  6. Step 6: Final answer
    x = 927.60

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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.