Home / 3,124.69-4,686.63-1,482.28

Finding the Fourth Proportional to 3,124.69, 4,686.63 and 1,482.28

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Solution

The fourth proportional to 3,124.69, 4,686.63 and 1,482.28 is: 2,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.69 : 4,686.63 = 1,482.28 : x
  2. Step 2: Convert to fraction form
    3,124.69/4,686.63 = 1,482.28/x
  3. Step 3: Cross multiply
    3,124.69x = 4,686.63 × 1,482.28
  4. Step 4: Simplify right side
    3,124.69x = 6,946,897.92
  5. Step 5: Solve for x
    x = 6,946,897.92/3,124.69
  6. Step 6: Final answer
    x = 2,223.23

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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.