Home / 3,475.13-4,792.95-3,077.21

Finding the Fourth Proportional to 3,475.13, 4,792.95 and 3,077.21

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Solution

The fourth proportional to 3,475.13, 4,792.95 and 3,077.21 is: 4,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.13 : 4,792.95 = 3,077.21 : x
  2. Step 2: Convert to fraction form
    3,475.13/4,792.95 = 3,077.21/x
  3. Step 3: Cross multiply
    3,475.13x = 4,792.95 × 3,077.21
  4. Step 4: Simplify right side
    3,475.13x = 14,748,925.65
  5. Step 5: Solve for x
    x = 14,748,925.65/3,475.13
  6. Step 6: Final answer
    x = 4,244.14

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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.