Home / 1,812.57-2,501.64-1,026.45

Finding the Fourth Proportional to 1,812.57, 2,501.64 and 1,026.45

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Solution

The fourth proportional to 1,812.57, 2,501.64 and 1,026.45 is: 1,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.57 : 2,501.64 = 1,026.45 : x
  2. Step 2: Convert to fraction form
    1,812.57/2,501.64 = 1,026.45/x
  3. Step 3: Cross multiply
    1,812.57x = 2,501.64 × 1,026.45
  4. Step 4: Simplify right side
    1,812.57x = 2,567,808.38
  5. Step 5: Solve for x
    x = 2,567,808.38/1,812.57
  6. Step 6: Final answer
    x = 1,416.67

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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.