Home / 1,027.70-1,417.87-608.18

Finding the Fourth Proportional to 1,027.70, 1,417.87 and 608.18

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Solution

The fourth proportional to 1,027.70, 1,417.87 and 608.18 is: 839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.70 : 1,417.87 = 608.18 : x
  2. Step 2: Convert to fraction form
    1,027.70/1,417.87 = 608.18/x
  3. Step 3: Cross multiply
    1,027.70x = 1,417.87 × 608.18
  4. Step 4: Simplify right side
    1,027.70x = 862,320.18
  5. Step 5: Solve for x
    x = 862,320.18/1,027.70
  6. Step 6: Final answer
    x = 839.08

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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.