Home / 3,152.45-4,721.49-1,510.18

Finding the Fourth Proportional to 3,152.45, 4,721.49 and 1,510.18

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Solution

The fourth proportional to 3,152.45, 4,721.49 and 1,510.18 is: 2,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.45 : 4,721.49 = 1,510.18 : x
  2. Step 2: Convert to fraction form
    3,152.45/4,721.49 = 1,510.18/x
  3. Step 3: Cross multiply
    3,152.45x = 4,721.49 × 1,510.18
  4. Step 4: Simplify right side
    3,152.45x = 7,130,287.96
  5. Step 5: Solve for x
    x = 7,130,287.96/3,152.45
  6. Step 6: Final answer
    x = 2,261.82

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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.