Home / 3,470.07-4,788.69-1,898.16

Finding the Fourth Proportional to 3,470.07, 4,788.69 and 1,898.16

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Solution

The fourth proportional to 3,470.07, 4,788.69 and 1,898.16 is: 2,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.07 : 4,788.69 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    3,470.07/4,788.69 = 1,898.16/x
  3. Step 3: Cross multiply
    3,470.07x = 4,788.69 × 1,898.16
  4. Step 4: Simplify right side
    3,470.07x = 9,089,699.81
  5. Step 5: Solve for x
    x = 9,089,699.81/3,470.07
  6. Step 6: Final answer
    x = 2,619.46

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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.