Home / 3,637.23-5,457.60-1,787.34

Finding the Fourth Proportional to 3,637.23, 5,457.60 and 1,787.34

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Solution

The fourth proportional to 3,637.23, 5,457.60 and 1,787.34 is: 2,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.23 : 5,457.60 = 1,787.34 : x
  2. Step 2: Convert to fraction form
    3,637.23/5,457.60 = 1,787.34/x
  3. Step 3: Cross multiply
    3,637.23x = 5,457.60 × 1,787.34
  4. Step 4: Simplify right side
    3,637.23x = 9,754,586.78
  5. Step 5: Solve for x
    x = 9,754,586.78/3,637.23
  6. Step 6: Final answer
    x = 2,681.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.