Home / 3,011.49-4,155.70-1,752.35

Finding the Fourth Proportional to 3,011.49, 4,155.70 and 1,752.35

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Solution

The fourth proportional to 3,011.49, 4,155.70 and 1,752.35 is: 2,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.49 : 4,155.70 = 1,752.35 : x
  2. Step 2: Convert to fraction form
    3,011.49/4,155.70 = 1,752.35/x
  3. Step 3: Cross multiply
    3,011.49x = 4,155.70 × 1,752.35
  4. Step 4: Simplify right side
    3,011.49x = 7,282,240.90
  5. Step 5: Solve for x
    x = 7,282,240.90/3,011.49
  6. Step 6: Final answer
    x = 2,418.15

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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.