Home / 3,126.08-4,687.54-1,045.35

Finding the Fourth Proportional to 3,126.08, 4,687.54 and 1,045.35

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Solution

The fourth proportional to 3,126.08, 4,687.54 and 1,045.35 is: 1,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.08 : 4,687.54 = 1,045.35 : x
  2. Step 2: Convert to fraction form
    3,126.08/4,687.54 = 1,045.35/x
  3. Step 3: Cross multiply
    3,126.08x = 4,687.54 × 1,045.35
  4. Step 4: Simplify right side
    3,126.08x = 4,900,117.33
  5. Step 5: Solve for x
    x = 4,900,117.33/3,126.08
  6. Step 6: Final answer
    x = 1,567.49

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1.5x scale

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.