Home / 2,742.21-4,111.49-1,510.20

Finding the Fourth Proportional to 2,742.21, 4,111.49 and 1,510.20

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Solution

The fourth proportional to 2,742.21, 4,111.49 and 1,510.20 is: 2,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.21 : 4,111.49 = 1,510.20 : x
  2. Step 2: Convert to fraction form
    2,742.21/4,111.49 = 1,510.20/x
  3. Step 3: Cross multiply
    2,742.21x = 4,111.49 × 1,510.20
  4. Step 4: Simplify right side
    2,742.21x = 6,209,144.09
  5. Step 5: Solve for x
    x = 6,209,144.09/2,742.21
  6. Step 6: Final answer
    x = 2,264.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.