Home / 1,753.63-2,419.26-1,123.04

Finding the Fourth Proportional to 1,753.63, 2,419.26 and 1,123.04

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Solution

The fourth proportional to 1,753.63, 2,419.26 and 1,123.04 is: 1,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.63 : 2,419.26 = 1,123.04 : x
  2. Step 2: Convert to fraction form
    1,753.63/2,419.26 = 1,123.04/x
  3. Step 3: Cross multiply
    1,753.63x = 2,419.26 × 1,123.04
  4. Step 4: Simplify right side
    1,753.63x = 2,716,925.75
  5. Step 5: Solve for x
    x = 2,716,925.75/1,753.63
  6. Step 6: Final answer
    x = 1,549.32

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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.