Home / 1,164.60-1,606.93-943.17

Finding the Fourth Proportional to 1,164.60, 1,606.93 and 943.17

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Solution

The fourth proportional to 1,164.60, 1,606.93 and 943.17 is: 1,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.60 : 1,606.93 = 943.17 : x
  2. Step 2: Convert to fraction form
    1,164.60/1,606.93 = 943.17/x
  3. Step 3: Cross multiply
    1,164.60x = 1,606.93 × 943.17
  4. Step 4: Simplify right side
    1,164.60x = 1,515,608.17
  5. Step 5: Solve for x
    x = 1,515,608.17/1,164.60
  6. Step 6: Final answer
    x = 1,301.40

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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.