Home / 2,359.64-3,539.52-1,127.18

Finding the Fourth Proportional to 2,359.64, 3,539.52 and 1,127.18

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Solution

The fourth proportional to 2,359.64, 3,539.52 and 1,127.18 is: 1,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.64 : 3,539.52 = 1,127.18 : x
  2. Step 2: Convert to fraction form
    2,359.64/3,539.52 = 1,127.18/x
  3. Step 3: Cross multiply
    2,359.64x = 3,539.52 × 1,127.18
  4. Step 4: Simplify right side
    2,359.64x = 3,989,685.00
  5. Step 5: Solve for x
    x = 3,989,685.00/2,359.64
  6. Step 6: Final answer
    x = 1,690.80

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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.