Home / 2,911.07-4,017.27-1,652.15

Finding the Fourth Proportional to 2,911.07, 4,017.27 and 1,652.15

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Solution

The fourth proportional to 2,911.07, 4,017.27 and 1,652.15 is: 2,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.07 : 4,017.27 = 1,652.15 : x
  2. Step 2: Convert to fraction form
    2,911.07/4,017.27 = 1,652.15/x
  3. Step 3: Cross multiply
    2,911.07x = 4,017.27 × 1,652.15
  4. Step 4: Simplify right side
    2,911.07x = 6,637,132.63
  5. Step 5: Solve for x
    x = 6,637,132.63/2,911.07
  6. Step 6: Final answer
    x = 2,279.96

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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.