Home / 1,477.10-2,215.65-1,448.30

Finding the Fourth Proportional to 1,477.10, 2,215.65 and 1,448.30

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Solution

The fourth proportional to 1,477.10, 2,215.65 and 1,448.30 is: 2,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.10 : 2,215.65 = 1,448.30 : x
  2. Step 2: Convert to fraction form
    1,477.10/2,215.65 = 1,448.30/x
  3. Step 3: Cross multiply
    1,477.10x = 2,215.65 × 1,448.30
  4. Step 4: Simplify right side
    1,477.10x = 3,208,925.90
  5. Step 5: Solve for x
    x = 3,208,925.90/1,477.10
  6. Step 6: Final answer
    x = 2,172.45

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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.