Home / 1,816.06-2,506.20-1,030.30

Finding the Fourth Proportional to 1,816.06, 2,506.20 and 1,030.30

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Solution

The fourth proportional to 1,816.06, 2,506.20 and 1,030.30 is: 1,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.06 : 2,506.20 = 1,030.30 : x
  2. Step 2: Convert to fraction form
    1,816.06/2,506.20 = 1,030.30/x
  3. Step 3: Cross multiply
    1,816.06x = 2,506.20 × 1,030.30
  4. Step 4: Simplify right side
    1,816.06x = 2,582,137.86
  5. Step 5: Solve for x
    x = 2,582,137.86/1,816.06
  6. Step 6: Final answer
    x = 1,421.84

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1.5x scale

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.