Home / 1,036.16-1,557.12-1,023.20

Finding the Fourth Proportional to 1,036.16, 1,557.12 and 1,023.20

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Solution

The fourth proportional to 1,036.16, 1,557.12 and 1,023.20 is: 1,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.16 : 1,557.12 = 1,023.20 : x
  2. Step 2: Convert to fraction form
    1,036.16/1,557.12 = 1,023.20/x
  3. Step 3: Cross multiply
    1,036.16x = 1,557.12 × 1,023.20
  4. Step 4: Simplify right side
    1,036.16x = 1,593,245.18
  5. Step 5: Solve for x
    x = 1,593,245.18/1,036.16
  6. Step 6: Final answer
    x = 1,537.64

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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.