Home / 2,911.37-4,017.87-1,652.45

Finding the Fourth Proportional to 2,911.37, 4,017.87 and 1,652.45

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Solution

The fourth proportional to 2,911.37, 4,017.87 and 1,652.45 is: 2,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.37 : 4,017.87 = 1,652.45 : x
  2. Step 2: Convert to fraction form
    2,911.37/4,017.87 = 1,652.45/x
  3. Step 3: Cross multiply
    2,911.37x = 4,017.87 × 1,652.45
  4. Step 4: Simplify right side
    2,911.37x = 6,639,309.19
  5. Step 5: Solve for x
    x = 6,639,309.19/2,911.37
  6. Step 6: Final answer
    x = 2,280.48

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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.