Home / 1,054.10-1,580.76-351.18

Finding the Fourth Proportional to 1,054.10, 1,580.76 and 351.18

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Solution

The fourth proportional to 1,054.10, 1,580.76 and 351.18 is: 526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.10 : 1,580.76 = 351.18 : x
  2. Step 2: Convert to fraction form
    1,054.10/1,580.76 = 351.18/x
  3. Step 3: Cross multiply
    1,054.10x = 1,580.76 × 351.18
  4. Step 4: Simplify right side
    1,054.10x = 555,131.30
  5. Step 5: Solve for x
    x = 555,131.30/1,054.10
  6. Step 6: Final answer
    x = 526.64

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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.