Home / 2,572.63-3,550.57-1,911.35

Finding the Fourth Proportional to 2,572.63, 3,550.57 and 1,911.35

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Solution

The fourth proportional to 2,572.63, 3,550.57 and 1,911.35 is: 2,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.63 : 3,550.57 = 1,911.35 : x
  2. Step 2: Convert to fraction form
    2,572.63/3,550.57 = 1,911.35/x
  3. Step 3: Cross multiply
    2,572.63x = 3,550.57 × 1,911.35
  4. Step 4: Simplify right side
    2,572.63x = 6,786,386.07
  5. Step 5: Solve for x
    x = 6,786,386.07/2,572.63
  6. Step 6: Final answer
    x = 2,637.92

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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.