Home / 3,561.47-4,916.60-2,715.23

Finding the Fourth Proportional to 3,561.47, 4,916.60 and 2,715.23

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Solution

The fourth proportional to 3,561.47, 4,916.60 and 2,715.23 is: 3,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.47 : 4,916.60 = 2,715.23 : x
  2. Step 2: Convert to fraction form
    3,561.47/4,916.60 = 2,715.23/x
  3. Step 3: Cross multiply
    3,561.47x = 4,916.60 × 2,715.23
  4. Step 4: Simplify right side
    3,561.47x = 13,349,686.24
  5. Step 5: Solve for x
    x = 13,349,686.24/3,561.47
  6. Step 6: Final answer
    x = 3,748.36

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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.