Home / 1,400.56-2,101.02-1,303.36

Finding the Fourth Proportional to 1,400.56, 2,101.02 and 1,303.36

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Solution

The fourth proportional to 1,400.56, 2,101.02 and 1,303.36 is: 1,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.56 : 2,101.02 = 1,303.36 : x
  2. Step 2: Convert to fraction form
    1,400.56/2,101.02 = 1,303.36/x
  3. Step 3: Cross multiply
    1,400.56x = 2,101.02 × 1,303.36
  4. Step 4: Simplify right side
    1,400.56x = 2,738,385.43
  5. Step 5: Solve for x
    x = 2,738,385.43/1,400.56
  6. Step 6: Final answer
    x = 1,955.21

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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.