Home / 1,315.24-1,968.66-924.76

Finding the Fourth Proportional to 1,315.24, 1,968.66 and 924.76

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Solution

The fourth proportional to 1,315.24, 1,968.66 and 924.76 is: 1,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315.24 : 1,968.66 = 924.76 : x
  2. Step 2: Convert to fraction form
    1,315.24/1,968.66 = 924.76/x
  3. Step 3: Cross multiply
    1,315.24x = 1,968.66 × 924.76
  4. Step 4: Simplify right side
    1,315.24x = 1,820,538.02
  5. Step 5: Solve for x
    x = 1,820,538.02/1,315.24
  6. Step 6: Final answer
    x = 1,384.19

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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.