Home / 1,295.63-1,943.58-430.01

Finding the Fourth Proportional to 1,295.63, 1,943.58 and 430.01

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Solution

The fourth proportional to 1,295.63, 1,943.58 and 430.01 is: 645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.63 : 1,943.58 = 430.01 : x
  2. Step 2: Convert to fraction form
    1,295.63/1,943.58 = 430.01/x
  3. Step 3: Cross multiply
    1,295.63x = 1,943.58 × 430.01
  4. Step 4: Simplify right side
    1,295.63x = 835,758.84
  5. Step 5: Solve for x
    x = 835,758.84/1,295.63
  6. Step 6: Final answer
    x = 645.06

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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.