Home / 1,541.69-2,312.55-446.06

Finding the Fourth Proportional to 1,541.69, 2,312.55 and 446.06

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Solution

The fourth proportional to 1,541.69, 2,312.55 and 446.06 is: 669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.69 : 2,312.55 = 446.06 : x
  2. Step 2: Convert to fraction form
    1,541.69/2,312.55 = 446.06/x
  3. Step 3: Cross multiply
    1,541.69x = 2,312.55 × 446.06
  4. Step 4: Simplify right side
    1,541.69x = 1,031,541.83
  5. Step 5: Solve for x
    x = 1,031,541.83/1,541.69
  6. Step 6: Final answer
    x = 669.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.