Home / 2,769.32-3,821.65-1,510.35

Finding the Fourth Proportional to 2,769.32, 3,821.65 and 1,510.35

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Solution

The fourth proportional to 2,769.32, 3,821.65 and 1,510.35 is: 2,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.32 : 3,821.65 = 1,510.35 : x
  2. Step 2: Convert to fraction form
    2,769.32/3,821.65 = 1,510.35/x
  3. Step 3: Cross multiply
    2,769.32x = 3,821.65 × 1,510.35
  4. Step 4: Simplify right side
    2,769.32x = 5,772,032.47
  5. Step 5: Solve for x
    x = 5,772,032.47/2,769.32
  6. Step 6: Final answer
    x = 2,084.28

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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.