Home / 1,146.10-1,719.15-1,030.90

Finding the Fourth Proportional to 1,146.10, 1,719.15 and 1,030.90

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Solution

The fourth proportional to 1,146.10, 1,719.15 and 1,030.90 is: 1,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.10 : 1,719.15 = 1,030.90 : x
  2. Step 2: Convert to fraction form
    1,146.10/1,719.15 = 1,030.90/x
  3. Step 3: Cross multiply
    1,146.10x = 1,719.15 × 1,030.90
  4. Step 4: Simplify right side
    1,146.10x = 1,772,271.74
  5. Step 5: Solve for x
    x = 1,772,271.74/1,146.10
  6. Step 6: Final answer
    x = 1,546.35

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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.