Home / 1,637.74-2,259.58-929.53

Finding the Fourth Proportional to 1,637.74, 2,259.58 and 929.53

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Solution

The fourth proportional to 1,637.74, 2,259.58 and 929.53 is: 1,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.74 : 2,259.58 = 929.53 : x
  2. Step 2: Convert to fraction form
    1,637.74/2,259.58 = 929.53/x
  3. Step 3: Cross multiply
    1,637.74x = 2,259.58 × 929.53
  4. Step 4: Simplify right side
    1,637.74x = 2,100,347.40
  5. Step 5: Solve for x
    x = 2,100,347.40/1,637.74
  6. Step 6: Final answer
    x = 1,282.47

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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.