Home / 2,953.04-4,070.72-2,428.16

Finding the Fourth Proportional to 2,953.04, 4,070.72 and 2,428.16

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Solution

The fourth proportional to 2,953.04, 4,070.72 and 2,428.16 is: 3,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.04 : 4,070.72 = 2,428.16 : x
  2. Step 2: Convert to fraction form
    2,953.04/4,070.72 = 2,428.16/x
  3. Step 3: Cross multiply
    2,953.04x = 4,070.72 × 2,428.16
  4. Step 4: Simplify right side
    2,953.04x = 9,884,359.48
  5. Step 5: Solve for x
    x = 9,884,359.48/2,953.04
  6. Step 6: Final answer
    x = 3,347.18

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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.