Home / 1,344.18-2,014.10-1,128.18

Finding the Fourth Proportional to 1,344.18, 2,014.10 and 1,128.18

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Solution

The fourth proportional to 1,344.18, 2,014.10 and 1,128.18 is: 1,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.18 : 2,014.10 = 1,128.18 : x
  2. Step 2: Convert to fraction form
    1,344.18/2,014.10 = 1,128.18/x
  3. Step 3: Cross multiply
    1,344.18x = 2,014.10 × 1,128.18
  4. Step 4: Simplify right side
    1,344.18x = 2,272,267.34
  5. Step 5: Solve for x
    x = 2,272,267.34/1,344.18
  6. Step 6: Final answer
    x = 1,690.45

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1.5x scale

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.