Home / 1,026.10-1,415.40-606.28

Finding the Fourth Proportional to 1,026.10, 1,415.40 and 606.28

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Solution

The fourth proportional to 1,026.10, 1,415.40 and 606.28 is: 836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.10 : 1,415.40 = 606.28 : x
  2. Step 2: Convert to fraction form
    1,026.10/1,415.40 = 606.28/x
  3. Step 3: Cross multiply
    1,026.10x = 1,415.40 × 606.28
  4. Step 4: Simplify right side
    1,026.10x = 858,128.71
  5. Step 5: Solve for x
    x = 858,128.71/1,026.10
  6. Step 6: Final answer
    x = 836.30

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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.