Home / 1,699.74-2,345.49-1,036.35

Finding the Fourth Proportional to 1,699.74, 2,345.49 and 1,036.35

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Solution

The fourth proportional to 1,699.74, 2,345.49 and 1,036.35 is: 1,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.74 : 2,345.49 = 1,036.35 : x
  2. Step 2: Convert to fraction form
    1,699.74/2,345.49 = 1,036.35/x
  3. Step 3: Cross multiply
    1,699.74x = 2,345.49 × 1,036.35
  4. Step 4: Simplify right side
    1,699.74x = 2,430,748.56
  5. Step 5: Solve for x
    x = 2,430,748.56/1,699.74
  6. Step 6: Final answer
    x = 1,430.07

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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.