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Finding the Fourth Proportional to 1,752.49, 2,628.55 and 886.33

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Solution

The fourth proportional to 1,752.49, 2,628.55 and 886.33 is: 1,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.49 : 2,628.55 = 886.33 : x
  2. Step 2: Convert to fraction form
    1,752.49/2,628.55 = 886.33/x
  3. Step 3: Cross multiply
    1,752.49x = 2,628.55 × 886.33
  4. Step 4: Simplify right side
    1,752.49x = 2,329,762.72
  5. Step 5: Solve for x
    x = 2,329,762.72/1,752.49
  6. Step 6: Final answer
    x = 1,329.40

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1.5x scale

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.