Home / 2,430.56-3,353.87-1,368.18

Finding the Fourth Proportional to 2,430.56, 3,353.87 and 1,368.18

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Solution

The fourth proportional to 2,430.56, 3,353.87 and 1,368.18 is: 1,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.56 : 3,353.87 = 1,368.18 : x
  2. Step 2: Convert to fraction form
    2,430.56/3,353.87 = 1,368.18/x
  3. Step 3: Cross multiply
    2,430.56x = 3,353.87 × 1,368.18
  4. Step 4: Simplify right side
    2,430.56x = 4,588,701.28
  5. Step 5: Solve for x
    x = 4,588,701.28/2,430.56
  6. Step 6: Final answer
    x = 1,887.92

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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.