Home / 1,814.40-2,701.08-1,803.60

Finding the Fourth Proportional to 1,814.40, 2,701.08 and 1,803.60

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Solution

The fourth proportional to 1,814.40, 2,701.08 and 1,803.60 is: 2,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.40 : 2,701.08 = 1,803.60 : x
  2. Step 2: Convert to fraction form
    1,814.40/2,701.08 = 1,803.60/x
  3. Step 3: Cross multiply
    1,814.40x = 2,701.08 × 1,803.60
  4. Step 4: Simplify right side
    1,814.40x = 4,871,667.89
  5. Step 5: Solve for x
    x = 4,871,667.89/1,814.40
  6. Step 6: Final answer
    x = 2,685.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.