Home / 1,465.04-2,021.64-875.36

Finding the Fourth Proportional to 1,465.04, 2,021.64 and 875.36

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Solution

The fourth proportional to 1,465.04, 2,021.64 and 875.36 is: 1,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.04 : 2,021.64 = 875.36 : x
  2. Step 2: Convert to fraction form
    1,465.04/2,021.64 = 875.36/x
  3. Step 3: Cross multiply
    1,465.04x = 2,021.64 × 875.36
  4. Step 4: Simplify right side
    1,465.04x = 1,769,662.79
  5. Step 5: Solve for x
    x = 1,769,662.79/1,465.04
  6. Step 6: Final answer
    x = 1,207.93

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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.