Home / 1,749.11-2,411.91-1,572.76

Finding the Fourth Proportional to 1,749.11, 2,411.91 and 1,572.76

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Solution

The fourth proportional to 1,749.11, 2,411.91 and 1,572.76 is: 2,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.11 : 2,411.91 = 1,572.76 : x
  2. Step 2: Convert to fraction form
    1,749.11/2,411.91 = 1,572.76/x
  3. Step 3: Cross multiply
    1,749.11x = 2,411.91 × 1,572.76
  4. Step 4: Simplify right side
    1,749.11x = 3,793,358.59
  5. Step 5: Solve for x
    x = 3,793,358.59/1,749.11
  6. Step 6: Final answer
    x = 2,168.74

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1.5x scale

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.