Home / 2,946.12-4,417.56-1,384.31

Finding the Fourth Proportional to 2,946.12, 4,417.56 and 1,384.31

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Solution

The fourth proportional to 2,946.12, 4,417.56 and 1,384.31 is: 2,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.12 : 4,417.56 = 1,384.31 : x
  2. Step 2: Convert to fraction form
    2,946.12/4,417.56 = 1,384.31/x
  3. Step 3: Cross multiply
    2,946.12x = 4,417.56 × 1,384.31
  4. Step 4: Simplify right side
    2,946.12x = 6,115,250.40
  5. Step 5: Solve for x
    x = 6,115,250.40/2,946.12
  6. Step 6: Final answer
    x = 2,075.70

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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.