Home / 2,231.69-3,333.95-1,445.28

Finding the Fourth Proportional to 2,231.69, 3,333.95 and 1,445.28

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Solution

The fourth proportional to 2,231.69, 3,333.95 and 1,445.28 is: 2,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.69 : 3,333.95 = 1,445.28 : x
  2. Step 2: Convert to fraction form
    2,231.69/3,333.95 = 1,445.28/x
  3. Step 3: Cross multiply
    2,231.69x = 3,333.95 × 1,445.28
  4. Step 4: Simplify right side
    2,231.69x = 4,818,491.26
  5. Step 5: Solve for x
    x = 4,818,491.26/2,231.69
  6. Step 6: Final answer
    x = 2,159.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.