Home / 2,637.89-3,637.67-1,693.53

Finding the Fourth Proportional to 2,637.89, 3,637.67 and 1,693.53

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Solution

The fourth proportional to 2,637.89, 3,637.67 and 1,693.53 is: 2,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.89 : 3,637.67 = 1,693.53 : x
  2. Step 2: Convert to fraction form
    2,637.89/3,637.67 = 1,693.53/x
  3. Step 3: Cross multiply
    2,637.89x = 3,637.67 × 1,693.53
  4. Step 4: Simplify right side
    2,637.89x = 6,160,516.60
  5. Step 5: Solve for x
    x = 6,160,516.60/2,637.89
  6. Step 6: Final answer
    x = 2,335.40

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1.5x scale

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.