Home / 1,730.10-2,387.58-944.20

Finding the Fourth Proportional to 1,730.10, 2,387.58 and 944.20

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Solution

The fourth proportional to 1,730.10, 2,387.58 and 944.20 is: 1,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.10 : 2,387.58 = 944.20 : x
  2. Step 2: Convert to fraction form
    1,730.10/2,387.58 = 944.20/x
  3. Step 3: Cross multiply
    1,730.10x = 2,387.58 × 944.20
  4. Step 4: Simplify right side
    1,730.10x = 2,254,353.04
  5. Step 5: Solve for x
    x = 2,254,353.04/1,730.10
  6. Step 6: Final answer
    x = 1,303.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.