Home / 1,358.53-2,037.75-434.06

Finding the Fourth Proportional to 1,358.53, 2,037.75 and 434.06

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Solution

The fourth proportional to 1,358.53, 2,037.75 and 434.06 is: 651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.53 : 2,037.75 = 434.06 : x
  2. Step 2: Convert to fraction form
    1,358.53/2,037.75 = 434.06/x
  3. Step 3: Cross multiply
    1,358.53x = 2,037.75 × 434.06
  4. Step 4: Simplify right side
    1,358.53x = 884,512.49
  5. Step 5: Solve for x
    x = 884,512.49/1,358.53
  6. Step 6: Final answer
    x = 651.08

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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.