Home / 2,911.36-4,017.80-1,652.42

Finding the Fourth Proportional to 2,911.36, 4,017.80 and 1,652.42

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Solution

The fourth proportional to 2,911.36, 4,017.80 and 1,652.42 is: 2,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.36 : 4,017.80 = 1,652.42 : x
  2. Step 2: Convert to fraction form
    2,911.36/4,017.80 = 1,652.42/x
  3. Step 3: Cross multiply
    2,911.36x = 4,017.80 × 1,652.42
  4. Step 4: Simplify right side
    2,911.36x = 6,639,084.65
  5. Step 5: Solve for x
    x = 6,639,084.65/2,911.36
  6. Step 6: Final answer
    x = 2,280.41

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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.