Home / 2,430.95-3,354.65-1,486.74

Finding the Fourth Proportional to 2,430.95, 3,354.65 and 1,486.74

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Solution

The fourth proportional to 2,430.95, 3,354.65 and 1,486.74 is: 2,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.95 : 3,354.65 = 1,486.74 : x
  2. Step 2: Convert to fraction form
    2,430.95/3,354.65 = 1,486.74/x
  3. Step 3: Cross multiply
    2,430.95x = 3,354.65 × 1,486.74
  4. Step 4: Simplify right side
    2,430.95x = 4,987,503.06
  5. Step 5: Solve for x
    x = 4,987,503.06/2,430.95
  6. Step 6: Final answer
    x = 2,051.67

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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.