Home / 1,812.95-2,501.75-1,066.77

Finding the Fourth Proportional to 1,812.95, 2,501.75 and 1,066.77

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Solution

The fourth proportional to 1,812.95, 2,501.75 and 1,066.77 is: 1,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.95 : 2,501.75 = 1,066.77 : x
  2. Step 2: Convert to fraction form
    1,812.95/2,501.75 = 1,066.77/x
  3. Step 3: Cross multiply
    1,812.95x = 2,501.75 × 1,066.77
  4. Step 4: Simplify right side
    1,812.95x = 2,668,779.34
  5. Step 5: Solve for x
    x = 2,668,779.34/1,812.95
  6. Step 6: Final answer
    x = 1,472.06

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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.