Home / 3,490.63-4,818.33-2,312.08

Finding the Fourth Proportional to 3,490.63, 4,818.33 and 2,312.08

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Solution

The fourth proportional to 3,490.63, 4,818.33 and 2,312.08 is: 3,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.63 : 4,818.33 = 2,312.08 : x
  2. Step 2: Convert to fraction form
    3,490.63/4,818.33 = 2,312.08/x
  3. Step 3: Cross multiply
    3,490.63x = 4,818.33 × 2,312.08
  4. Step 4: Simplify right side
    3,490.63x = 11,140,340.33
  5. Step 5: Solve for x
    x = 11,140,340.33/3,490.63
  6. Step 6: Final answer
    x = 3,191.50

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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.