Home / 2,929.22-4,395.74-1,080.35

Finding the Fourth Proportional to 2,929.22, 4,395.74 and 1,080.35

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Solution

The fourth proportional to 2,929.22, 4,395.74 and 1,080.35 is: 1,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.22 : 4,395.74 = 1,080.35 : x
  2. Step 2: Convert to fraction form
    2,929.22/4,395.74 = 1,080.35/x
  3. Step 3: Cross multiply
    2,929.22x = 4,395.74 × 1,080.35
  4. Step 4: Simplify right side
    2,929.22x = 4,748,937.71
  5. Step 5: Solve for x
    x = 4,748,937.71/2,929.22
  6. Step 6: Final answer
    x = 1,621.23

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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.