Home / 3,130.04-4,688.69-2,510.39

Finding the Fourth Proportional to 3,130.04, 4,688.69 and 2,510.39

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Solution

The fourth proportional to 3,130.04, 4,688.69 and 2,510.39 is: 3,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.04 : 4,688.69 = 2,510.39 : x
  2. Step 2: Convert to fraction form
    3,130.04/4,688.69 = 2,510.39/x
  3. Step 3: Cross multiply
    3,130.04x = 4,688.69 × 2,510.39
  4. Step 4: Simplify right side
    3,130.04x = 11,770,439.66
  5. Step 5: Solve for x
    x = 11,770,439.66/3,130.04
  6. Step 6: Final answer
    x = 3,760.47

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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.