Home / 1,343.03-2,014.93-934.79

Finding the Fourth Proportional to 1,343.03, 2,014.93 and 934.79

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Solution

The fourth proportional to 1,343.03, 2,014.93 and 934.79 is: 1,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.03 : 2,014.93 = 934.79 : x
  2. Step 2: Convert to fraction form
    1,343.03/2,014.93 = 934.79/x
  3. Step 3: Cross multiply
    1,343.03x = 2,014.93 × 934.79
  4. Step 4: Simplify right side
    1,343.03x = 1,883,533.58
  5. Step 5: Solve for x
    x = 1,883,533.58/1,343.03
  6. Step 6: Final answer
    x = 1,402.45

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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.