Home / 1,742.49-2,406.24-1,153.35

Finding the Fourth Proportional to 1,742.49, 2,406.24 and 1,153.35

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Solution

The fourth proportional to 1,742.49, 2,406.24 and 1,153.35 is: 1,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.49 : 2,406.24 = 1,153.35 : x
  2. Step 2: Convert to fraction form
    1,742.49/2,406.24 = 1,153.35/x
  3. Step 3: Cross multiply
    1,742.49x = 2,406.24 × 1,153.35
  4. Step 4: Simplify right side
    1,742.49x = 2,775,236.90
  5. Step 5: Solve for x
    x = 2,775,236.90/1,742.49
  6. Step 6: Final answer
    x = 1,592.68

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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.