Home / 1,752.48-2,419.56-1,089.60

Finding the Fourth Proportional to 1,752.48, 2,419.56 and 1,089.60

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Solution

The fourth proportional to 1,752.48, 2,419.56 and 1,089.60 is: 1,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.48 : 2,419.56 = 1,089.60 : x
  2. Step 2: Convert to fraction form
    1,752.48/2,419.56 = 1,089.60/x
  3. Step 3: Cross multiply
    1,752.48x = 2,419.56 × 1,089.60
  4. Step 4: Simplify right side
    1,752.48x = 2,636,352.58
  5. Step 5: Solve for x
    x = 2,636,352.58/1,752.48
  6. Step 6: Final answer
    x = 1,504.36

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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.