Home / 2,140.40-2,950.34-1,746.74

Finding the Fourth Proportional to 2,140.40, 2,950.34 and 1,746.74

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Solution

The fourth proportional to 2,140.40, 2,950.34 and 1,746.74 is: 2,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.40 : 2,950.34 = 1,746.74 : x
  2. Step 2: Convert to fraction form
    2,140.40/2,950.34 = 1,746.74/x
  3. Step 3: Cross multiply
    2,140.40x = 2,950.34 × 1,746.74
  4. Step 4: Simplify right side
    2,140.40x = 5,153,476.89
  5. Step 5: Solve for x
    x = 5,153,476.89/2,140.40
  6. Step 6: Final answer
    x = 2,407.72

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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.