Home / 1,782.04-2,458.61-1,153.36

Finding the Fourth Proportional to 1,782.04, 2,458.61 and 1,153.36

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Solution

The fourth proportional to 1,782.04, 2,458.61 and 1,153.36 is: 1,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.04 : 2,458.61 = 1,153.36 : x
  2. Step 2: Convert to fraction form
    1,782.04/2,458.61 = 1,153.36/x
  3. Step 3: Cross multiply
    1,782.04x = 2,458.61 × 1,153.36
  4. Step 4: Simplify right side
    1,782.04x = 2,835,662.43
  5. Step 5: Solve for x
    x = 2,835,662.43/1,782.04
  6. Step 6: Final answer
    x = 1,591.25

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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.