Home / 1,360.16-2,040.24-975.68

Finding the Fourth Proportional to 1,360.16, 2,040.24 and 975.68

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Solution

The fourth proportional to 1,360.16, 2,040.24 and 975.68 is: 1,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.16 : 2,040.24 = 975.68 : x
  2. Step 2: Convert to fraction form
    1,360.16/2,040.24 = 975.68/x
  3. Step 3: Cross multiply
    1,360.16x = 2,040.24 × 975.68
  4. Step 4: Simplify right side
    1,360.16x = 1,990,621.36
  5. Step 5: Solve for x
    x = 1,990,621.36/1,360.16
  6. Step 6: Final answer
    x = 1,463.52

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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.