Home / 2,953.47-4,426.08-1,563.78

Finding the Fourth Proportional to 2,953.47, 4,426.08 and 1,563.78

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Solution

The fourth proportional to 2,953.47, 4,426.08 and 1,563.78 is: 2,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.47 : 4,426.08 = 1,563.78 : x
  2. Step 2: Convert to fraction form
    2,953.47/4,426.08 = 1,563.78/x
  3. Step 3: Cross multiply
    2,953.47x = 4,426.08 × 1,563.78
  4. Step 4: Simplify right side
    2,953.47x = 6,921,415.38
  5. Step 5: Solve for x
    x = 6,921,415.38/2,953.47
  6. Step 6: Final answer
    x = 2,343.49

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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.