Home / 3,124.57-4,312.04-1,798.28

Finding the Fourth Proportional to 3,124.57, 4,312.04 and 1,798.28

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Solution

The fourth proportional to 3,124.57, 4,312.04 and 1,798.28 is: 2,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.57 : 4,312.04 = 1,798.28 : x
  2. Step 2: Convert to fraction form
    3,124.57/4,312.04 = 1,798.28/x
  3. Step 3: Cross multiply
    3,124.57x = 4,312.04 × 1,798.28
  4. Step 4: Simplify right side
    3,124.57x = 7,754,224.74
  5. Step 5: Solve for x
    x = 7,754,224.74/3,124.57
  6. Step 6: Final answer
    x = 2,481.70

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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.