Home / 1,709.48-2,359.42-1,001.40

Finding the Fourth Proportional to 1,709.48, 2,359.42 and 1,001.40

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Solution

The fourth proportional to 1,709.48, 2,359.42 and 1,001.40 is: 1,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.48 : 2,359.42 = 1,001.40 : x
  2. Step 2: Convert to fraction form
    1,709.48/2,359.42 = 1,001.40/x
  3. Step 3: Cross multiply
    1,709.48x = 2,359.42 × 1,001.40
  4. Step 4: Simplify right side
    1,709.48x = 2,362,723.19
  5. Step 5: Solve for x
    x = 2,362,723.19/1,709.48
  6. Step 6: Final answer
    x = 1,382.13

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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.