Home / 1,812.32-2,500.90-1,026.35

Finding the Fourth Proportional to 1,812.32, 2,500.90 and 1,026.35

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Solution

The fourth proportional to 1,812.32, 2,500.90 and 1,026.35 is: 1,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.32 : 2,500.90 = 1,026.35 : x
  2. Step 2: Convert to fraction form
    1,812.32/2,500.90 = 1,026.35/x
  3. Step 3: Cross multiply
    1,812.32x = 2,500.90 × 1,026.35
  4. Step 4: Simplify right side
    1,812.32x = 2,566,783.64
  5. Step 5: Solve for x
    x = 2,566,783.64/1,812.32
  6. Step 6: Final answer
    x = 1,416.30

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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.