Home / 3,749.70-5,623.47-1,117.10

Finding the Fourth Proportional to 3,749.70, 5,623.47 and 1,117.10

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Solution

The fourth proportional to 3,749.70, 5,623.47 and 1,117.10 is: 1,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.70 : 5,623.47 = 1,117.10 : x
  2. Step 2: Convert to fraction form
    3,749.70/5,623.47 = 1,117.10/x
  3. Step 3: Cross multiply
    3,749.70x = 5,623.47 × 1,117.10
  4. Step 4: Simplify right side
    3,749.70x = 6,281,978.34
  5. Step 5: Solve for x
    x = 6,281,978.34/3,749.70
  6. Step 6: Final answer
    x = 1,675.33

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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.