Home / 1,816.24-2,506.20-1,030

Finding the Fourth Proportional to 1,816.24, 2,506.20 and 1,030

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Solution

The fourth proportional to 1,816.24, 2,506.20 and 1,030 is: 1,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.24 : 2,506.20 = 1,030 : x
  2. Step 2: Convert to fraction form
    1,816.24/2,506.20 = 1,030/x
  3. Step 3: Cross multiply
    1,816.24x = 2,506.20 × 1,030
  4. Step 4: Simplify right side
    1,816.24x = 2,581,386
  5. Step 5: Solve for x
    x = 2,581,386/1,816.24
  6. Step 6: Final answer
    x = 1,421.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.