Home / 1,358.13-2,037.18-433.68

Finding the Fourth Proportional to 1,358.13, 2,037.18 and 433.68

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Solution

The fourth proportional to 1,358.13, 2,037.18 and 433.68 is: 650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.13 : 2,037.18 = 433.68 : x
  2. Step 2: Convert to fraction form
    1,358.13/2,037.18 = 433.68/x
  3. Step 3: Cross multiply
    1,358.13x = 2,037.18 × 433.68
  4. Step 4: Simplify right side
    1,358.13x = 883,482.76
  5. Step 5: Solve for x
    x = 883,482.76/1,358.13
  6. Step 6: Final answer
    x = 650.51

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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.