Home / 3,124.69-4,312.06-1,798.66

Finding the Fourth Proportional to 3,124.69, 4,312.06 and 1,798.66

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Solution

The fourth proportional to 3,124.69, 4,312.06 and 1,798.66 is: 2,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.69 : 4,312.06 = 1,798.66 : x
  2. Step 2: Convert to fraction form
    3,124.69/4,312.06 = 1,798.66/x
  3. Step 3: Cross multiply
    3,124.69x = 4,312.06 × 1,798.66
  4. Step 4: Simplify right side
    3,124.69x = 7,755,929.84
  5. Step 5: Solve for x
    x = 7,755,929.84/3,124.69
  6. Step 6: Final answer
    x = 2,482.14

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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.