Home / 1,864.68-2,573.28-1,036.68

Finding the Fourth Proportional to 1,864.68, 2,573.28 and 1,036.68

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Solution

The fourth proportional to 1,864.68, 2,573.28 and 1,036.68 is: 1,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.68 : 2,573.28 = 1,036.68 : x
  2. Step 2: Convert to fraction form
    1,864.68/2,573.28 = 1,036.68/x
  3. Step 3: Cross multiply
    1,864.68x = 2,573.28 × 1,036.68
  4. Step 4: Simplify right side
    1,864.68x = 2,667,667.91
  5. Step 5: Solve for x
    x = 2,667,667.91/1,864.68
  6. Step 6: Final answer
    x = 1,430.63

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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.