Home / 2,730.38-4,095.59-975.45

Finding the Fourth Proportional to 2,730.38, 4,095.59 and 975.45

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Solution

The fourth proportional to 2,730.38, 4,095.59 and 975.45 is: 1,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.38 : 4,095.59 = 975.45 : x
  2. Step 2: Convert to fraction form
    2,730.38/4,095.59 = 975.45/x
  3. Step 3: Cross multiply
    2,730.38x = 4,095.59 × 975.45
  4. Step 4: Simplify right side
    2,730.38x = 3,995,053.75
  5. Step 5: Solve for x
    x = 3,995,053.75/2,730.38
  6. Step 6: Final answer
    x = 1,463.19

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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.