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Finding the Fourth Proportional to 1,673.84, 2,316.12 and 1,453.52

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Solution

The fourth proportional to 1,673.84, 2,316.12 and 1,453.52 is: 2,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.84 : 2,316.12 = 1,453.52 : x
  2. Step 2: Convert to fraction form
    1,673.84/2,316.12 = 1,453.52/x
  3. Step 3: Cross multiply
    1,673.84x = 2,316.12 × 1,453.52
  4. Step 4: Simplify right side
    1,673.84x = 3,366,526.74
  5. Step 5: Solve for x
    x = 3,366,526.74/1,673.84
  6. Step 6: Final answer
    x = 2,011.26

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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.