Home / 1,864.10-2,573.01-1,117.68

Finding the Fourth Proportional to 1,864.10, 2,573.01 and 1,117.68

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Solution

The fourth proportional to 1,864.10, 2,573.01 and 1,117.68 is: 1,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.10 : 2,573.01 = 1,117.68 : x
  2. Step 2: Convert to fraction form
    1,864.10/2,573.01 = 1,117.68/x
  3. Step 3: Cross multiply
    1,864.10x = 2,573.01 × 1,117.68
  4. Step 4: Simplify right side
    1,864.10x = 2,875,801.82
  5. Step 5: Solve for x
    x = 2,875,801.82/1,864.10
  6. Step 6: Final answer
    x = 1,542.73

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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.