Home / 1,680.76-2,518.29-1,030.14

Finding the Fourth Proportional to 1,680.76, 2,518.29 and 1,030.14

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Solution

The fourth proportional to 1,680.76, 2,518.29 and 1,030.14 is: 1,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.76 : 2,518.29 = 1,030.14 : x
  2. Step 2: Convert to fraction form
    1,680.76/2,518.29 = 1,030.14/x
  3. Step 3: Cross multiply
    1,680.76x = 2,518.29 × 1,030.14
  4. Step 4: Simplify right side
    1,680.76x = 2,594,191.26
  5. Step 5: Solve for x
    x = 2,594,191.26/1,680.76
  6. Step 6: Final answer
    x = 1,543.46

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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.