Home / 2,358.64-3,538.03-1,126.18

Finding the Fourth Proportional to 2,358.64, 3,538.03 and 1,126.18

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Solution

The fourth proportional to 2,358.64, 3,538.03 and 1,126.18 is: 1,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.64 : 3,538.03 = 1,126.18 : x
  2. Step 2: Convert to fraction form
    2,358.64/3,538.03 = 1,126.18/x
  3. Step 3: Cross multiply
    2,358.64x = 3,538.03 × 1,126.18
  4. Step 4: Simplify right side
    2,358.64x = 3,984,458.63
  5. Step 5: Solve for x
    x = 3,984,458.63/2,358.64
  6. Step 6: Final answer
    x = 1,689.30

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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.