Home / 2,430.04-3,615.14-2,421.40

Finding the Fourth Proportional to 2,430.04, 3,615.14 and 2,421.40

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Solution

The fourth proportional to 2,430.04, 3,615.14 and 2,421.40 is: 3,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.04 : 3,615.14 = 2,421.40 : x
  2. Step 2: Convert to fraction form
    2,430.04/3,615.14 = 2,421.40/x
  3. Step 3: Cross multiply
    2,430.04x = 3,615.14 × 2,421.40
  4. Step 4: Simplify right side
    2,430.04x = 8,753,700.00
  5. Step 5: Solve for x
    x = 8,753,700.00/2,430.04
  6. Step 6: Final answer
    x = 3,602.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.