Home / 2,955.70-4,407.47-2,810.35

Finding the Fourth Proportional to 2,955.70, 4,407.47 and 2,810.35

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Solution

The fourth proportional to 2,955.70, 4,407.47 and 2,810.35 is: 4,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.70 : 4,407.47 = 2,810.35 : x
  2. Step 2: Convert to fraction form
    2,955.70/4,407.47 = 2,810.35/x
  3. Step 3: Cross multiply
    2,955.70x = 4,407.47 × 2,810.35
  4. Step 4: Simplify right side
    2,955.70x = 12,386,535.31
  5. Step 5: Solve for x
    x = 12,386,535.31/2,955.70
  6. Step 6: Final answer
    x = 4,190.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.