Home / 1,675.61-2,314.29-1,340.67

Finding the Fourth Proportional to 1,675.61, 2,314.29 and 1,340.67

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Solution

The fourth proportional to 1,675.61, 2,314.29 and 1,340.67 is: 1,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.61 : 2,314.29 = 1,340.67 : x
  2. Step 2: Convert to fraction form
    1,675.61/2,314.29 = 1,340.67/x
  3. Step 3: Cross multiply
    1,675.61x = 2,314.29 × 1,340.67
  4. Step 4: Simplify right side
    1,675.61x = 3,102,699.17
  5. Step 5: Solve for x
    x = 3,102,699.17/1,675.61
  6. Step 6: Final answer
    x = 1,851.68

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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.