Home / 1,056.21-1,457.56-608.17

Finding the Fourth Proportional to 1,056.21, 1,457.56 and 608.17

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Solution

The fourth proportional to 1,056.21, 1,457.56 and 608.17 is: 839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.21 : 1,457.56 = 608.17 : x
  2. Step 2: Convert to fraction form
    1,056.21/1,457.56 = 608.17/x
  3. Step 3: Cross multiply
    1,056.21x = 1,457.56 × 608.17
  4. Step 4: Simplify right side
    1,056.21x = 886,445.79
  5. Step 5: Solve for x
    x = 886,445.79/1,056.21
  6. Step 6: Final answer
    x = 839.27

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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.