Home / 1,384.01-2,076.02-1,140.02

Finding the Fourth Proportional to 1,384.01, 2,076.02 and 1,140.02

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Solution

The fourth proportional to 1,384.01, 2,076.02 and 1,140.02 is: 1,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.01 : 2,076.02 = 1,140.02 : x
  2. Step 2: Convert to fraction form
    1,384.01/2,076.02 = 1,140.02/x
  3. Step 3: Cross multiply
    1,384.01x = 2,076.02 × 1,140.02
  4. Step 4: Simplify right side
    1,384.01x = 2,366,703.81
  5. Step 5: Solve for x
    x = 2,366,703.81/1,384.01
  6. Step 6: Final answer
    x = 1,710.03

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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.