Home / 1,056.16-1,457.54-608.02

Finding the Fourth Proportional to 1,056.16, 1,457.54 and 608.02

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Solution

The fourth proportional to 1,056.16, 1,457.54 and 608.02 is: 839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.16 : 1,457.54 = 608.02 : x
  2. Step 2: Convert to fraction form
    1,056.16/1,457.54 = 608.02/x
  3. Step 3: Cross multiply
    1,056.16x = 1,457.54 × 608.02
  4. Step 4: Simplify right side
    1,056.16x = 886,213.47
  5. Step 5: Solve for x
    x = 886,213.47/1,056.16
  6. Step 6: Final answer
    x = 839.09

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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.